Question

the level of air pollution is higher at a busy traffic intersection.why?

Answer 1

Because at the same time much amount of gas from the vehicles is released which can affect your health too.

Answer 2

The level of air pollution is higher at a bust traffic intersection because :

1. The large number of traffic which passes through the road will must give smoke and thus pollution.

2. If a traffic will occur! then the chance of higher Air pollution will become more as the waiting vehicles must run thier engines and thus, leads to pollution.