The good news is that governments have been trying to reduce the air pollution that causes acid rain. 4) ..... industries have been using new technologies for some time to help make factory smoke less harmful to the environment. But we need to do more! We can help reduce the amount of acid rain by using 5) ..... cars less or by using solar power to heat our homes.

Ответ: The good news is that governments have been trying to reduce the air pollution that causes acid rain. 4) Actually industries have been using new technologies for some time to help make factory smoke less harmful to the environment. But we need to do more! We can help reduce the amount of acid rain by using 5) public transport cars less or by using solar power to heat our homes.