Question

Name the following


1) Inexhaustible natural resources.


2) Remains of dead animals and plants


3) Oldest variety of coal

4) A foul smelling liquid mined from earth.


5) A combustible gas obtained by the destructive distillation of coal.


6) A fuel for heavy vehicles.

7) Residue left after the destructive distillation of coal tar.


8) Chemical used as moth repellent.


9) Alternative sources of energy (any three) Association which offers the tips to conserve

petrol & diesel.​

Answer 1

Answer:

1)wind, sunlight and water.

2)decomposers

3)Bituminous coal, Anthracite , Lignite

4)crude oil

5)Coal gas, gaseous mixture mainly hydrogen, methane, and carbon monoxide

6)Diesel engines

7)Coke

8)Naphthalene

9)Biodiesel is one of the best alternative source whch can be obtained from animal fats,vegetable oils etc.

Electric vehicles can be used for travelling of short distances which also reduces fuel costs.

Ethanol can be used which cal also reduce emmision of green house gases 52% to 80%

Answer 2

Explanation:

I don't know what I read in class 7