Question

Write four ways by which can be conserve coal and petroleum

Answer 1

Answer:

• by using renewable source of energy
• further development on electronic automobiles
• using bicycle for shorter distance
• switching off electric appliances when not in use

Explanation:

hope it helps

Answer 2

The steps which can be taken to reduce the consumption of coal and petroleum products are:

(i) Switch of the lights, fans, television and other electrical appliances to save electricity.

(ii) Use energy efficient electrical appliances to save electricity. This can be done by using CFL and Fluorescent tube lights.

(iii) Use stairs to climb at least up to three floors of a building instead of taking a lift to save electricity.

(iv) Pressure cookers should be used for cooking food to save fuels like Kerosene and LPG.

(v) Solar cookers should be used to cook food whenever possible.