Select the correct answer from each drop-down menu.

How can you reduce air pollution arising from transportation?

Use

Avoid

because they emit relatively less pollution

to reduce the emission of pollutants.

We can reduce air pollution by using vehicles run by electricity which emitted no harmful gases while we have to avoid vehicles which uses fossil fuels for running because it produces a lot of harmful gases and pollute the environment.

Explanation:

Air pollution is increasing day by day due to the use of fossil fuels such as petrol and diesel, in the vehicles which is burn in the engine and releases harmful gases such as carbondioxide gas etc. This gas is also responsible for the global warming of the earth atmosphere.

a. to encourage apoptosis

c should be the answer