1) Everything natural around us: rivers, trees, plants, animals is a) the planet's nature b) the planet's environment c) ecosystem d) the world 2) When a forest or tree-covered area is turned into something else it is a) deforestation b) urbanization c) desertification d) global warming 3) When burnt fossil fuels release substances into the atmosphere, including gas called carbon dioxide, which trap heat from the sun and warm up the earth, this is called a) the smog b) the acid rain c) the greenhouse effect d) global warming 4) HUMANS STARTED CREATING FACTORIES AND MACHINES TO MAKE LOTS OF PRODUCTS QUICKLY AND CHEAPLY a) CLIMATE CHANGE b) URBANIZATION c) THE iNDUSTRIAL REVOLUTION d) THE FRENCH BOURGEOIS REVOLUTION 5) GLOBAL CHANGES IN THE EARTH'S AVERAGE TEMPERATURE a) GLOBAL WARMING b) CLIMATE CHANGE c) ICE MELTING d) DROUGHTS 6) GREENHOUSE GAS a) METHANE b) SULFUR DIOXIDE c) HYDROGEN SULFIDE d) CARBON DIOXIDE 7) FOSSIL FUELS a) COPPER, ORE AND PETROLEUM b) GAS, OIL, COAL c) SLATE, COAL, ORE d) PETROLEUM, SLATE, ORE

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