ЛЮДИ , ПОМОГИТЕ ! ОЧЕНЬ СРОЧНО !!!

March the words (1-8) with their definitions .
1) waste
2) pollute
3) nature
4)environment
5)healthy
6) power station
7)ecologist
8)dump
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a) the place in which people live and work
b) a scientist who studies the environment and the way plants , animals and people live together in relation to each other
c)to make air , water and soil too dirty and dangerous for people
d)useless materials
e)a place usually outside a town where people collect waste
f)the world with all living things , the land and the seas
g)a large building with machines that give electricity
h)good and useful for your health