Carbon dioxide ............... make the hole in the ozone layer bigger
emissions
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15
The ................... is rising due to global warming.
sea level
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............. is the introduction of harmful materials to the environment.
Pollution
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Due to ........................ ice caps are melting.
global warming
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Wind energy is a .................
renewable energy
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An .................is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Desert, forest, oceans or jungles are different types of ..................
Ecosystem
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This factory is emitting a lot of ..................