Question

व्हाट आर द कैरेक्टर स्टिक ऑफ गुड हाउस

Answer 1

Answer:

I think it is a fair answer

Explanation:

Characteristics of a good source of energy:

1) It should provide large amount of energy per unit mass (high calorific value)

2) It should be easily accessible

3) It should provide energy for maximum period of time and it should be renewable

4) It should be sustainable and safe (pollution free) for the environment.