Why is environment considered as a basic life support system?

5

(a)

What are the reasons for the change in our environments?

5

(a)

In what ways have the human beings modified the environment?

5

(a)

Explain the various domains of the environment

5

(a)

How have human beings adapted to the environment to fulfil their needs?

5

(a)

Write an account of various domains of the environment.

5

(a)

How does ecosystem play an important role in the survival of human?

5

(a)

Why did human transform barter system into trade and commerce system?

5

(a)