7. air and water pollution makes people fall ill ( make to v: làm cái gì ) 

air and water pollution causes people's illness

air and water pollution leads to people's illness

people fall ill results in air and water pollution 

8. acid rain makes soil be contaminated

acid rain causes contaminate soil

acid rain leads to contaminate soil

contaminate soil results in acid rain 

7

Air and water pollution make people fall ill.

Air and water pollution cause illness in people.

Air and water pollution lead to illness in people.

Air and water pollution result in illness in people.

8

Acid rain makes soil contaminated.

Acid rain causes soil contamination.

Acid rain leads to soil contamination.

Acid rain results in soil contamination.