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NCERT Solutions: Chapter1 Natural Resources and their Use (class 8 Social Science)

NCERT Solutions: Natural Resources and Their Conservation (Class 8 Chapter 1)

NCERT Solutions: Chapter 1
Natural Resources and Their Conservation (Class 8 Geography)

Social Science NCERT Complete Solutions
Natural Resources and Their Use

Complete, errorless chapter solutions with Hindi meanings for difficult terms. Covering Categorisation of Resources, Uneven Geographical Distribution, Mineral Mapping in India, Ecosystem Services, Sustainable Transition, and Community Conservation Practices.

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The Big Questions Page 1
Q1: How do We Categorize Natural Resources?
How do We Categorize Natural Resources?
✓ Verified Complete NCERT Solution:

Natural resources рдк्рд░ाрдХृрддिрдХ рд╕ंрд╕ाрдзрди are elements found in the environment that humans use for various purposes. They can be categorised based on their use and renewability рдирд╡ीрдХрд░рдгीрдпрддा:

1. By use:

  • Essential resources рдЕрдиिрд╡ाрд░्рдп рд╕ंрд╕ाрдзрди: Air, water, and soil are crucial for life.
  • Material resources рдкрджाрд░्рде рд╕ंрд╕ाрдзрди: Wood, coal, and metals are used to create products.
  • Energy resources рдКрд░्рдЬा рд╕ंрд╕ाрдзрди: Solar, wind, and fossil fuels generate electricity and power industries.

2. By renewability:

  • Renewable resources рдирд╡ीрдХрд░рдгीрдп рд╕ंрд╕ाрдзрди: Timber, water, and solar energy can regenerate naturally over time.
  • Non-renewable resources рдЧैрд░-рдирд╡ीрдХрд░рдгीрдп рд╕ंрд╕ाрдзрди: Coal, petroleum, and minerals are finite in supply and take millions of years to form, making them difficult to replace once exhausted.
The Big Questions Page 1
Q2: Connection Between Distribution of Natural Resources and Different Aspects of Life
What is the Connection Between the Distribution of Natural Resources and Different Aspects of Life?
✓ Verified Complete NCERT Solution:

The distribution of natural resources significantly influences various aspects of human life:

  • Human settlements рдоाрдирд╡ рдмрд╕्рддिрдпां: Areas rich in water, fertile soil, and minerals attract industries, leading to economic growth and dense populations.
  • Trade & Commerce рд╡्рдпाрдкाрд░ рдФрд░ рд╡ाрдгिрдЬ्рдп: Regional availability shapes trade patterns, facilitating domestic and global exchange.
  • Geopolitics & International relations рдЕंрддрд░рд░ाрд╖्рдЯ्рд░ीрдп рд╕ंрдмंрдз: Unequal distribution can cause diplomatic tensions or conflicts over access to vital supplies like petroleum and cross-border rivers.
  • Infrastructure development: Resource-rich regions often see better transport, energy, and communication infrastructure, enhancing living standards.
  • Regional Disparities рдХ्рд╖ेрдд्рд░ीрдп рдЕрд╕рдоाрдирддाрдПं: Unequal distribution creates varying levels of prosperity between mineral-rich and resource-poor areas.
The Big Questions Page 1
Q3: Implications of Unsustainable Use / Over Exploitation of Natural Resources
What Are the Implications of Unsustainable Use / Over Exploitation of Natural Resources?
✓ Verified Complete NCERT Solution:

Unsustainable use рдЕрд╕्рдеिрд░ / рдЕрдиिрдпंрдд्рд░िрдд рдЙрдкрдпोрдЧ or over-exploitation of natural resources leads to serious long-term consequences:

  • Resource depletion рд╕ंрд╕ाрдзрдиों рдХा рдХ्рд╖рд░рдг: Overuse exhausts non-renewable reserves, leaving fewer options for future generations.
  • Ecosystem damage рдкाрд░िрд╕्рдеिрддिрдХी рддंрдд्рд░ рдХो рдХ्рд╖рддि: Destruction of natural habitats leads to loss of biodiversity and destabilizes biological food chains.
  • Acute Shortages: Excessive extraction of replenishable resources, like groundwater and topsoil, exceeds their natural replenishment rate.
  • Livelihood crises: Local communities depending on forests, fisheries, and fertile land face economic marginalization.
  • Global environmental crises: Over-exploitation accelerates climate change, air/water pollution, desertification, and resource-driven conflicts.
Think About It Page 3
Q4: The Origin of Things Around Us (Tracing Everything to Nature)
Take a pause. Look at yourself and the things around you. What is the origin of each of them? At some point they all lead to Nature; even the plastic button on your shirt.
✓ Verified Complete NCERT Solution:

Everything around us, from our clothing to complex electronic devices, originates directly or indirectly from nature:

  • Plastic button on a shirt: Derived from synthetic polymers produced using petrochemicals (crude oil and natural gas) extracted from the Earth's crust.
  • Fabrics & Garments: Cotton, linen, and jute come from cultivated plants; wool and silk come from animals.
  • Buildings & Infrastructure: Constructed from timber (forests), bricks (clay/soil), cement (limestone), and steel (iron ore).
  • Energy & Power: Electricity powering our homes is generated from coal, natural gas, running water, wind, or sunlight.
Key Takeaway: All manufactured items connect back to nature. Natural resources are indispensable for our existence, making sustainable use an absolute necessity.
Think About It Page 4
Q5: Criteria Used to Categorise Natural Resources
What might be the different criteria we can use to categorise natural resources?
✓ Verified Complete NCERT Solution:

Natural resources can be classified through multiple scientific and geographical criteria:

  • 1. Biotic and Abiotic (Origin) рдЙрдд्рдкрдд्рддि рдХे рдЖрдзाрд░ рдкрд░: Derived from living organisms (plants, animals, forests) vs. non-living elements (air, water, minerals, soil).
  • 2. Renewable and Non-renewable (Exhaustibility) рд╕рдоाрдк्рдпрддा рдХे рдЖрдзाрд░ рдкрд░: Can replenish within a human timescale (sunlight, wind, water) vs. finite reserves requiring millions of years to form (coal, petroleum).
  • 3. Geographical Distribution (Ubiquitous vs. Localised) рд╡िрддрд░рдг рдХे рдЖрдзाрд░ рдкрд░: Present everywhere (sunlight, air) vs. found only in specific geological locations (coal seams, petroleum fields, copper deposits).
  • 4. Accessibility & Development: Readily accessible surface resources vs. deep oceanic oil beds requiring specialized extraction technology.
  • 5. Cultural & Spiritual Significance: Elements revered by indigenous traditions, such as sacred rivers, groves, and mountains.
Don't Miss Out Page 3
Q6: Traditional Practices Reflecting Nature as Sacred
Do you know of practices that reflect respect for Nature as sacred?
✓ Verified Complete NCERT Solution:

Across India and globally, deep-rooted cultural traditions honour nature as sacred:

  • Sacred Groves рдкрд╡िрдд्рд░ рдЙрдкрд╡рди / рджेрд╡рд░ाрдИ: Community-protected pristine forest patches (e.g., Devarakadu in Karnataka, Sarnas in Jharkhand, Orans in Rajasthan) where hunting and tree-felling are strictly prohibited.
  • River Veneration: Major life-giving rivers like the Ganga, Yamuna, Narmada, and Kaveri are revered and protected as mother deities.
  • Tree Conservation: Species like Peepal, Banyan, Tulsi, and Neem are revered in domestic daily rituals, preventing them from being casually cut down.
  • Indigenous Traditions Worldwide: Native communities follow principles of never taking more from nature than what is needed for immediate subsistence.
Don't Miss Out Page 6
Q7: Traditional Practices Helping Ecosystem Balance
Do you know of other traditional practices that help the ecosystem to stay in balance?
✓ Verified Complete NCERT Solution:

Traditional community-managed practices that foster ecological equilibrium include:

  • Traditional Rainwater Harvesting рдкाрд░ंрдкрд░िрдХ рдЬрд▓ рд╕ंрдЪрдпрди: Structures such as Johads (Rajasthan), Bawris/Stepwells (Gujarat), and Kuls (Himachal Pradesh) recharge local water tables naturally.
  • Crop Rotation and Polyculture рдлрд╕рд▓ рдЪрдХ्рд░ рдк्рд░рдгाрд▓ी: Intercropping legumes with cereals maintains soil nitrogen naturally without synthetic chemicals.
  • Seasonal Taboos on Harvesting: Many fishing communities avoid marine fishing during monsoon breeding seasons, ensuring fish populations regenerate.
  • Rotational Pastoral Grazing рдЪрдХ्рд░ीрдп рдЪрд░ाрдИ: Nomadic pastoralists move herds across seasons, preventing overgrazing in sensitive grassland ecosystems.
Let's Explore Page 7
Q8: Human Actions Disrupting Natural Regeneration & Restoration Interventions
Identify human actions in your surroundings that result in Nature losing her ability to restore and regenerate. What types of interventions can be undertaken to restore Nature's cycle?
✓ Verified Complete NCERT Solution:

Human Actions Disrupting Nature's Cycle:

  • Deforestation рд╡рдиों рдХी рдХрдЯाрдИ: Clearing forests for construction and farming faster than trees can regrow.
  • Over-extraction of Groundwater рднूрдЬрд▓ рдХा рдЕрддि-рджोрд╣рди: Tube wells drawing subterranean water faster than rainfall can recharge aquifers.
  • Soil Degradation: Excessive application of chemical fertilizers and pesticides killing beneficial soil microbes.
  • Water Pollution: Direct discharge of untreated domestic sewage and industrial effluents into water bodies.

Corrective Interventions to Restore Balance:

  • Afforestation рд╡рдиीрдХрд░рдг: Planting diverse native trees to restore green cover and local biodiversity.
  • Rainwater Harvesting: Mandatory recharge pits and rooftop harvesting to revive declining water tables.
  • Organic Farming: Shifting to bio-fertilizers, composting, and vermiculture to restore natural soil ecology.
  • Sewage Treatment Plants (STPs): Treating all wastewater prior to environmental discharge.
Let's Explore Page 8
Q9: Regional Renewable Resources Study (Report on Changes Over Time)
Take up a small research study to assess the types of renewable resources in your region... What has been the change in their status over time? Make a small report that identifies the reasons for the change and what may be done.
✓ Verified Complete NCERT Solution:

Sample Regional Study (Urban / Semi-Urban Region):

  • Available Renewable Resources: Solar radiation, municipal biomass/waste, and surface water bodies (canals/rivers).
  • Observed Status Changes Over Time:
    • Solar Energy: Substantial increase due to government subsidies for rooftop photovoltaic systems.
    • Water Bodies: Severe volumetric depletion and chemical pollution due to urban expansion.
    • Biomass: Largely underutilized; open burning of crop residue creates air quality hazards.
  • Reasons for Changes: Rapid unplanned urbanization, population pressure, and lagging waste segregation infrastructure.
  • Recommended Remedial Actions: Implementing mandatory solar net-metering on all public buildings, setting up modern waste-to-energy biomethanation facilities, and strictly protecting catchment wetlands from land encroachment.
Let's Explore Page 8
Q10: Daily Non-Renewable Resources, Renewable Substitutes & Transition Steps
What are the non-renewable resources that you use daily, directly or indirectly? What are the possible renewable substitutes? What are some of the steps we can take to transition to renewables?
✓ Verified Complete NCERT Solution:
Non-Renewable Resource (Daily Use) Current Daily Uses Possible Renewable Substitutes Actionable Steps for Transition
Coal рдХोрдпрд▓ा Thermal power generation for electricity, cement & steel industries. Solar PV parks, wind turbines, hydro & green hydrogen. Adopt solar rooftop units, switch to LED fixtures, upgrade to energy-efficient 5-star appliances.
Petroleum (Petrol / Diesel) рдкेрдЯ्рд░ोрд▓िрдпрдо Automobile transport, domestic cooking LPG, plastics manufacturing. Electric vehicles (EVs), compressed biogas (CBG), biofuels (ethanol blending). Expand electric bus fleets, incentivize EV two-wheelers, promote carpooling and metro rail transit.
Natural Gas (PNG / CNG) рдк्рд░ाрдХृрддिрдХ рдЧैрд╕ Household kitchen cooking gas, industrial heating. Biogas (from agricultural/cattle waste), solar induction cooking. Set up community biomethanation plants; replace gas stoves with solar-powered induction units.
Metals (Iron, Copper, Aluminium) рдзाрддु рдЦрдиिрдЬ Wiring, structural building frames, electronic appliances, cutlery. Recycled secondary metals, structural timber, engineered bamboo composites. Implement circular e-waste recycling; separate scrap metals from general municipal waste.
Let's Explore Page 9 (Map Fig. 1.11)
Q11: Geographical Distribution of Key Minerals Across India
Observe the map in Fig. 1.11. Notice the uneven distribution of important minerals. What types of resources are available in your region? How are they distributed?
✓ Verified Complete NCERT Solution:

The geological map reveals that mineral reserves in India are geographically concentrated in distinct zones:

  • Coal: Concentrated primarily in the Gondwana coalfields of eastern and central India (Jharia, Bokaro, Raniganj, Korba, Talcher) and tertiary lignite in south India (Neyveli, Singareni).
  • Iron Ore рд▓ौрд╣ рдЕрдпрд╕्рдХ: Abundant in the peninsular plateau — Odisha-Jharkhand belt (Bailadila, Mayurbhanj, Keonjhar, Gua) and Karnataka-Goa belt (Ballari, Kudremukh, Ratnagiri).
  • Bauxite (Aluminium Ore) рдмॉрдХ्рд╕ाрдЗрдЯ: Primarily located in the plateau regions of Amarkantak, Katni, Bilaspur, and Koraput (Odisha).
  • Petroleum / Natural Gas: Found along the western offshore shelf (Mumbai High, Bassein), Gujarat coastal plains (Ankleshwar, Kalol), and the Brahmaputra valley in Assam (Digboi, Naharkatia, Moran).
Observation on Distribution: India's mineral wealth is highly uneven. The northern alluvial plains are virtually devoid of metallic minerals, while the Peninsular Plateau houses nearly all commercial reserves of coal, iron ore, and bauxite.
Let's Explore Page 10
Q12: Comparative Distribution of Coal & Iron Ore in India
Select any two natural resources. Gather information about their availability across different parts of India. Mark them on a map. What do you observe about their distribution? What are the types of economic activities connected with them?
✓ Verified Complete NCERT Solution:
Natural Resource Major Producing States in India Connected Primary Economic Activities
Coal Jharkhand, Odisha, Chhattisgarh, West Bengal, Madhya Pradesh, Telangana. Open-cast and underground coal mining, coal washeries, thermal electricity generation, locomotive and metallurgical fuel.
Iron Ore Odisha, Chhattisgarh, Karnataka, Jharkhand, Goa. Opencast mechanized iron ore mining, beneficiation plants, integrated blast-furnace steel mills, heavy machinery fabrication.

Key Observations on Distribution & Economy:

  • Both coal and iron ore co-exist in close geographical proximity across the Chota Nagpur Plateau region.
  • This colocation gave rise to the Heavy Industrial Belt of Eastern India (Jamshedpur, Rourkela, Bokaro, Durgapur, Bhilai), generating employment in mining, heavy transport logistics, and steel manufacturing.
Let's Explore Page 10
Q13: Implications of Resource Extraction & Responsible Use
Discuss the implications of extracting natural resources for current and future generations. Suggest ways in which we can use Nature's gifts in responsible ways.
✓ Verified Complete NCERT Solution:

Adverse Implications of Uncontrolled Extraction рд╕ंрд╕ाрдзрди рдиिрд╖्рдХрд░्рд╖рдг рдХे рджुрд╖्рдкрд░िрдгाрдо:

  • Displacement & Social Inequity: Mining operations often displace indigenous forest communities and alter ancestral habitats.
  • Environmental Degradation: Land scarring, acid mine drainage, water table toxicity, and massive air pollution from coal and metal dust.
  • Intergenerational Injustice рдЕंрддрд░-рдкीрдв़ीрдЧрдд рдЕрди्рдпाрдп: Leaving depleted, degraded ecosystems and exhausted mineral reserves for upcoming generations.

Ways to Use Nature's Gifts Responsibly:

  • Circular Economy Model рдЪрдХ्рд░ीрдп рдЕрд░्рдерд╡्рдпрд╡рд╕्рдеा: Mandate the 3Rs — Reduce, Reuse, and Recycle — for all metals, plastics, and paper.
  • Mandatory Mine Reclamation рдЦрджाрди рдкुрдирд░ुрдж्рдзाрд░: Enforce backfilling of open-cast mines and restorative reforestation after mineral exhaustion.
  • Transition to Renewable Substitutes: Replace fossil fuels with solar, wind, and biomass energy to reduce carbon emissions.
Let's Explore Page 10
Q14: International Conflict Over Natural Resources (Nile River Dispute)
Find out about such a conflict in the international context? Discuss your findings in the class.
✓ Verified Complete NCERT Solution:
Case Study: The Grand Ethiopian Renaissance Dam (GERD) Dispute on the Nile River
  • The Disputing Nations: Ethiopia (upstream) vs. Egypt and Sudan (downstream).
  • Cause of Conflict: Ethiopia constructed the massive 5-billion-dollar Grand Ethiopian Renaissance Dam on the Blue Nile to generate electricity and eradicate domestic energy poverty.
  • Downstream Concerns: Egypt relies on the Nile River for over 90% of its freshwater supply for drinking and agricultural irrigation. Egypt fears that filling the mega-reservoir will reduce downstream water volume, causing water shortages and crop failures.
  • Significance: This dispute illustrates how cross-border shared natural resources, such as international river basins, create geopolitical friction unless regulated by comprehensive multilateral water-sharing treaties.
Let's Explore Page 11
Q15: Inputs Required to Enable the Use of Natural Resources
What do you think are the different inputs required to enable the use of the natural resources available in different geographical areas?
✓ Verified Complete NCERT Solution:

Mere availability of natural resources does not lead to economic prosperity. The following critical human and technological inputs are required to transform raw nature into usable assets:

  • 1. Skilled Human Capital рдХुрд╢рд▓ рдоाрдирд╡ рдкूंрдЬी: Engineers, geologists, scientists, and technicians trained in sustainable extraction and refining.
  • 2. Capital Investment & Finance рдкूंрдЬी рдиिрд╡ेрд╢: Substantial monetary resources to fund exploration machinery, processing mills, and research.
  • 3. Modern Technology: Advanced machinery and green processing techniques that extract minerals with minimal ecological disturbance.
  • 4. Robust Infrastructure рдордЬрдмूрдд рдмुрдиिрдпाрджी рдвांрдЪा: Heavy-haul freight railways, highways, ports, power grids, and water supply networks connecting remote mines to consumer markets.
  • 5. Transparent Governance & Policy: Anti-corruption mining regulations, fair royalty distribution, and enforcement of safety standards.
  • 6. Environmental & Social Safeguards: Strict environmental impact assessments (EIA) to safeguard local communities and biodiversity.
Questions and Activities Page 19
Q16: How Renewable Resources Become Non-Renewable & Preventive Measures
What can make what is today a renewable resource non-renewable tomorrow? Describe some actions that can prevent this from happening.
✓ Verified Complete NCERT Solution:

A renewable resource becomes non-renewable when human consumption outpaces its natural biological or hydrological replenishment rate:

  • Over-extraction of Groundwater: Withdrawing deep subterranean water reserves faster than rainfall infiltration turns renewable aquifers into dry, depleted beds.
  • Deforestation: Clear-cutting forests prevents natural sapling regeneration, leading to permanent soil erosion and desertification.
  • Overfishing: Catching fish faster than their reproduction cycle decimates breeding stocks, collapsing marine food chains.

Preventive Measures:

  • Set statutory limits on groundwater pumping; mandate nationwide rooftop rainwater harvesting.
  • Implement selective timber harvesting coupled with compensatory afforestation.
  • Enforce seasonal moratoriums on marine trawling during fish breeding seasons.
Questions and Activities Page 19
Q17: Five Vital Ecosystem Functions That Serve Humans
Name five ecosystem functions that serve humans.
✓ Verified Complete NCERT Solution:

Natural ecosystems provide essential ecological services рдкाрд░िрд╕्рдеिрддिрдХीрдп рд╕ेрд╡ाрдПं that sustain human life:

  1. Oxygen Production & Carbon Sequestration рдХाрд░्рдмрди рдкृрдердХ्рдХрд░рдг: Photosynthesis by terrestrial forests and marine phytoplankton generates breathable atmospheric oxygen while absorbing greenhouse gases.
  2. Natural Crop Pollination рдлрд╕рд▓ рдкрд░ाрдЧрдг: Bees, butterflies, moths, and birds pollinate over 75% of global food crops, underpinning agricultural productivity.
  3. Water Purification & Filtration: Wetlands, riverbanks, and forested catchments filter out silt, toxic heavy metals, and organic pollutants from surface runoff.
  4. Soil Genesis & Nutrient Cycling рдоृрджा рдиिрд░्рдоाрдг рдФрд░ рдкोрд╖рдХ рдЪрдХ्рд░: Bacterial decomposition of dead matter continuously recycles nitrogen, phosphorus, and organic carbon into topsoil.
  5. Climate Moderation & Disaster Mitigation: Coastal mangrove forests and coral reefs absorb storm surges and tsunami waves, buffering vulnerable human shorelines.
Questions and Activities Page 19
Q18: Renewable vs. Non-Renewable Resources & Safeguarding Action Plan
What are renewable resources? How are they different from non-renewable ones? What can people do to ensure that renewable resources continue to be available for our use and that of future generations? Give two examples.
✓ Verified Complete NCERT Solution:

Renewable resources are natural resources that replenish or cycle naturally through physical, biological, or chemical processes within a human timescale (e.g., solar radiation, wind, water, timber).

Difference from Non-Renewable Resources:

  • Renewable: Inexhaustible under responsible management; ecologically clean.
  • Non-renewable: Finite geological reserves (coal, petroleum, metallic ores) formed over millions of years that cannot be renewed once consumed.

Two Practical Action Examples to Ensure Continuous Availability:

  • Example 1 (Water Conservation): Installing community rainwater harvesting systems to replenish groundwater reserves before they are depleted by tube wells.
  • Example 2 (Sustainable Forestry): Enforcing replanting protocols where two saplings are planted and nurtured for every single commercial timber tree harvested.
Questions and Activities Page 19
Q19: Cultural Practices Pointing to Mindfulness in Resource Use
Identify cultural practices in your home and neighbourhood that point to mindfulness in the use of natural resources.
✓ Verified Complete NCERT Solution:

Mindful cultural traditions practiced across Indian homes and neighborhoods include:

  • Use of Biodegradable Serving Materials: Utilizing fresh banana leaves, sal tree leaf plates (pattals), and unglazed clay cups (kulhads) during weddings, religious feasts, and social gatherings instead of single-use plastics.
  • Clay Idol Immersion (Eco-Friendly Festivals): Crafting festive idols (Ganesh Chaturthi, Durga Puja) from unbaked, natural river clay painted with vegetable dyes rather than non-biodegradable Plaster of Paris (PoP).
  • Sacred Protection of Flora: Daily watering and tending of the sacred Tulsi plant, Peepal, and Banyan trees, promoting botanical preservation.
  • Household Upcycling: Repurposing old cotton clothes into kitchen dusters, shopping bags, and floor mats (dhurries) rather than discarding them as solid waste.
  • Water Veneration Rituals: Periodic cleaning and protection of village ponds, stepwells, and natural springs during religious observances.
Questions and Activities Page 19
Q20: Essential Considerations in the Production of Goods for Current Use
What are some considerations to keep in mind in the production of goods for our current use?
✓ Verified Complete NCERT Solution:

To prevent rapid planetary degradation, contemporary manufacturing must incorporate the following sustainable industrial principles:

  • 1. Eco-friendly Raw Materials: Use recycled secondary metals, organic non-toxic dyes, and biodegradable packaging instead of virgin non-renewable resources.
  • 2. High Energy Efficiency: Transition production lines to captive rooftop solar power, co-generation steam units, and high-efficiency electric motors to reduce the product's carbon footprint.
  • 3. Zero Waste & Closed Loops рд╢ूрди्рдп рдЕрдкрд╢िрд╖्рдЯ рдЪрдХ्рд░: Design products for disassembly, reuse, and remanufacture so that components re-enter industrial supply streams at the end of their life cycle.
  • 4. Product Durability & Repairability: Engineer durable goods that can be repaired, upgraded, and maintained easily, discouraging the "throwaway culture".
  • 5. Ethical Sourcing & Fair Trade: Ensure supply chains source minerals and raw inputs responsibly without forced labor, child exploitation, or illegal deforestation.

MD Social Science & Class 8 Learning Portal © 2026

Prepared by Mukesh Sir • NCERT Social Science (Geography) Chapter 1: Natural Resources and Their Conservation Complete Solutions