Supply the correct form of the words in parentheses to complete the sentences

ENGLISH 8- UNIT7,8
Supply the correct form of the words in parentheses to complete the sentences
1.the(poison)____chemical waste is dumped into the river.
2.scientist say that exhaust fumes are(poison)____our city.
4.do you know what(pollute)____cause air pollution?
5.we should keep our environment(pollute)____.
6.if we(pollution)____water, there will be a(short)____of water in the future.
7. Don't throw trash onto the water because it can cause(pollute)____.
8.einstein was one of the greatest(science)_____ in the world.
9.she has many(science)____projects.
10.every day we hear about new(develop)____in science and technology