Question

Fuel is a material that is burned in order to get heat and light and also to generate power.

The Process of burning is a chemical reaction. A material combines with oxygen from the

air and gives off energy. The energy is given off in the form of heat and light. Fuels

Deepak En can also be classified as solid, liquid and gaseous. Wood was one of the first

fuels used by man. It was the easiest to get the cheapest.After wood started becoming

scarce it was replaced by coal. Coal contains a high percentage of carbon. Carbon is the

most important ingredient in most fuels. Fuels with a high percentage of carbon burn

evenly and with a hot flame. The most important liquid fuels come from petroleum.

However petroleum reserves are becoming exhausted with the passage of time.


1. Read the following statements carefully and answer in one sentence.


1.What is the source of energy?​

Answer 1

Answer:

. A material combines with oxygen from the

air and gives off energy. your answer

Explanation:

plz mark as branilest

Answer 2

Answer:

fuels ( wood, coal) is the source of energy.