Answer:
reduce is reducing the amount of plastic we use reuse is reusing a plastic item for something else recycle is convert into a new material hope this helps!
Explanation:
The answer is the nervous system.
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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.