The air in this area got A: to pollute B: pollute C: polluting D: polluted

Many lakes and rivers have been___by industrial waste. A: polluted B: polluting C: pollute D: to pollute

Cars are currently the major source of air (__)(pollute).

One benefit the author mentions is that the system______. A: uses no electricity B: has a fire-safety shutoff C: does not pollute the air in the house D: pollute the air in house

The release of chemicals from underground storage would pollute

There is a lot of (pollute) ________in the air, because a chemical factory is near here.

_________(pollute) air and water will do harm to people's health.

With internal combustion engines, future cars will pollute the air to a much less extent.

Electric vehicles will save a lot of air (pollute)______ because there will be emission of CO2 in the air.

Electric vehicles will save a lot of air (pollute)______ because there will be no mission of CO2 in the air.