A period with no rain is called ____________

Which gas is mainly responsible for the green house effect?

The place in which a plant, animal, bird or fish normally lives is its _____________

No longer existing, as an animal species.

An animal that eats plants and meat is a(n) __________.

Endangered animals _______________.

Biodegradable means ________________

Global warming will cause an increase of ________________

Which of the following is not a renewable source of energy?

You can _____________ plastic bags again and again until they get holes in them.

Which is NOT part of the Three R's of Environment?

How many years does it take for a plastic bottle to fully decompose?

Which of the following is biodegradable?

We turn off the tap when brushing teeth in order to _____________.

Let's support and _____________ .

______________ is fog that has mixed with smoke and chemical fumes.

Any form of precipitation that includes particles containing acid is ____________.