Define 'Global warming'.

Give two examples of abiotic elements of environment.

State any two strategies of sustainable development.

State one function of environment.

Name a pesticide which is environment friendly.

What is 'carrying capacity'?

Give two instances of
Overuse of environmental resources.

People are resorting to cut trees to facilitate the process of urbanisation and industrialisation. Are they justified in cutting trees to fulfil their stated needs?

Why has ozone depletion taken place?

What are renewable resources?