III and natural i lifestyles ofgases can be renewed within few years.1.a) Airb) Waterc) Landb) Human beings3.2.d) Oceansa) PlantsWhat leads to migration of skilled people to developed countries?c) Birdsd) Animalsa) Globalisationb) Global warming c) Deforestationd) Pollution4.Identify the cause of water pollution from the following.a) Carbon dioxideb) Industrial waste in rivers and oceansc) Burning of fossil fuelsd) Vehicles5. Which out of these is a clean source of energy?a) Petroleumb) Coalc) Natural gasd) Nuclear EnergyChoose the correct answer,component allows human beings to carry out agriculture?Identify the producers from the following options.

III and natural i lifestyles ofgases can be renewed within few years

1.	III and natural i lifestyles ofgases can be renewed within few years.1.a) Airb) Waterc) Landb) Human beings3.2.d) Oceansa) PlantsWhat leads to migration of skilled people to developed countries?c) Birdsd) Animalsa) Globalisationb) Global warming c) Deforestationd) Pollution4.Identify the cause of water pollution from the following.a) Carbon dioxideb) Industrial waste in rivers and oceansc) Burning of fossil fuelsd) Vehicles5. Which out of these is a clean source of energy?a) Petroleumb) Coalc) Natural gasd) Nuclear EnergyChoose the correct answer,component allows human beings to carry out agriculture?Identify the producers from the following options.
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