Choose the correct answer.

The tiger is _____ of extinction. It is difficult to find them in the wild.

Choose the correct answer.

Many ________ groups now support putting a value on ecosystems.

Choose the correct answer.

The giant panda's natural ________ is the bamboo forest. Giant pandas like to eat bamboo leaves.

Choose the correct answer.

Try to keep a balance _____ your spending and your earnings.

Choose the correct answer.

Saving _________ species from becoming extinct is crucial for our health and the future of our children.

Choose the correct answer.

Our sources of energy will soon be __________ if we don't save them.

Choose the correct answer.

They started a campaign to ___________ smoking among teenagers.

Choose the correct answer.

People are destroying the environment by adding ___________ to it.