Answer:
we need to breath and plants helps
Explanation:
It breaks apart the hydrogen bonds
The answer is option B "declining number and variety of the species in an area." Biodiversity is a variety of life for example a ecosystem has many species which makes it a biodiversity. Now a loss of a biodiversity would be loosing a huge amount of species in that area or ecosystem which would mean the answer is option B.
Hope this helps.
Not sure but I think motor systems?
-Wulf
