endangered species, People in my neighbourhood are doing a lot to save __________., habitat, Con Dao National Park provides a rich __________ for marine life., carbon dioxide, Forests help release oxygen and absorb _________; they also provide homes for many species., cutting down trees, ________ is a serious environmental concern as it harms natural habitats., ecosystem, An ________ maybe a whole forest, or a small pong, and it can be of any size.

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