Give two examples of abiotic elements of environment.

Give two factors responsible for land degradation.

Mention any one example of non-renewable resource.

Name a pesticide which is environment friendly.

Name two movements to prevent cutting of trees.

In which state did 'Appiko' movement take place?

Name animals/ birds which help in biopest control.

How is solar electricity made? In which places it can be used?

What is 'carrying capacity'?

Define 'Global warming'.