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Pollution
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to make something less pure or make it poisonous: C____
Contaminate
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a substance that pollutes something, especially air and water
pollutant
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What type of animal is fish, duck, turtle and octopus?
aquatic animals
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the existence of too much artificial light in the environment, for example from street lights, which makes it difficult to see the stars
light pollution
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a chemical that is used to kill plants, especially weeds
herbicide
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________ is defined as a sudden increase or decrease in temperature of a natural body of water (ocean, lake, river or pond) by human influence.
Thermal pollution
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causing death or illness if swallowed or taken into the body
poisonous
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Too many billboards, open storage of trash, electric wires, buildings, and automobiles are often considered ___________ pollution.
visual
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to get rid of something you do not want, especially in a place that is not suitable
dump
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If you get close to the radioactive explosion, you will be __________.
dead
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If nuclear explosions and testing of nuclear weapons, nuclear weapon production release radioactive substances, __________ will happen.
radioactive pollution
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a chemical substance used to kill harmful insects, small animals, wild plants, and other unwanted organisms:
pesticide
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