they eventually realize that reckless

Farmers make their soil more productive by distributing _______.

Chemical wastes from factories are _______ that cause serious damage to lớn species habitats.

Contamination and global warming have driven many species of animals and plants ____ the threat of extinction.

Although we are aware _______ the importance of environment, we still overexploit it.

They have built a particular reserve' which is suitable _______ pandas.

We should vì thế something immediately to lớn conserve _______ nature

Everyone knows what is happening to lớn _______ earth but we just vì thế not know how to lớn stop it.

Many species have become extinct each year before biologists can identify them.

If an area is _______, all the trees there are cut down or destroyed.

Humans depend on species diversity to lớn provide food, clean air and water, and fertile soil for agriculture.

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Many schools provide environmental education to lớn increase students' awareness of conservation needs.

All the countries of the area have _______ to lớn protect their wildlife but they are rarely enforced.

Forest dwellers had always hunted the local _______ but their needs had been small.

The Bali Tiger was declared extinct in 1937 due to lớn hunting and habitat loss.

It is found that endangered species are often concentrated in areas that are poor and densely populated, such as much of Asia and AfricA.

____ is the existence of a wide variety of plant and animal species living in their natural environment.

She ___ be ill. I have just seen her playing basketball in the school yarD.

Peter has been working for 10 hours. He _______ be very tired now.

He is unreliable. What he says _______ be believeD.

I _______ find my own way there. You _______ wait for bu.