Environment class 7 cbse

Which is not a natural ecosystem

• Aquarium

• Forest

• Desert

It is the trade in which goods are exchanged without the use of money.is called

What are the components of environment

• Natural

• Human made

• Human

• Self made

The domain of water is reffered to..

• Hydrosphere

• Biosphere

• Lithosphere

• Natural

From where did the word ENVIRONMENT came from?

What is biotic? Given one example