A.Energy
B.Materials
C.Both (a) & (b)
D.Standing state
Related Mcqs:
- The main energy source for the environment is ___________?
- The amount of living matter present in a component population of a particular trophic level is called:
- A black body absorbs all radiations. As a result of absorption of these radiations
- Solar cells convert the sunlight into
- The disadvantage of using solar evergy for power production is
- The source of energy in an ecosystem is __________?
- In an ecosystem in abiotic components which of the following occurs?
- The primary source of energy for the earth’s atmosphere is __________?
- Main source of energy in Pakistan is :
- Out of the following which one is not a unconventional source of energy?