Question

Can I have answers for 8, 9, 10, 11? Thanks!

Answer 1

ans for 8:

1. fossil fuels are polluting that is on burning they produce harmful substances like carbon dioxide.

2. they are limited in nature and are non- renewable once used they cannot be used again

Ans for 9:

Well i don not tips that pcra gave in particular but in general :

1. Use public as often as possible and car pool whenever possible..

2. Give ur vehicle for emission testing as often as possible..

3. if possible use electric vehicles...

Ans for 10

Petroleum is very useful because of its high combustibility and because of it can be easily stored and transported easily compared to other fuels..It is used in the synthesis of plastic and is also used in cosmetics..