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acid rain



the existence of a large number of different kinds of animals and plants which make a balanced environment
The mining project threatens one of the world's richest areas of biodiversity


su lam ban, o ue

contaminate something (with something)



to make a substance or place dirty or no longer pure by adding a substance that is dangerous or carries disease


the act of getting rid of something
( may nghien rac)


su xoi mon

exhaust fume

khoi thai


phan bon

food chain


greenhouse gases



a substance that pollutes something, especially air and water( chay gay o nhiem)


lasting for a long time; difficult to cure or get rid of( man tinh, kinh nien)


that you can imagine or believe



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