do the crosswords
1.You should r_ _ _ _ _ _ things like paper ,jeans leftover ,ect .instead of throwing the, away
2.he should t_ _ _ off the faucet while brushing his teeth
3.currently there are a lot of e_ _ _ _ _ _ from deforestation such as storm,flood
4.it is a w_ _ _ _ when you leave the light on in an empty room
5.if water continues to be wasted there will be a s_ _ _ _ _ _ _ of it in the future
6.solar p__ __ __ _is placed in the roof of house 
7.noise p_ _ _ _ _ _ _ _ is a serious problem because there are lots of vehicle in the roads today
8.we use wind t _ _ _ __ _ __ to convert winds power into electricity