C. Sliding friction between a desk and the floor once it is moving
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.
Answer:because it has low energy density an lots of fiber it helps you feel full longer
Explanation: fruit recommended
