75%= 75/100
=0.75
20%= 20/200
=0.20
8.0%= 0.8/100
=0.008
Topography is the rise and fall of the land (AKA B)
The answer is B. an organ.
Brainliest answer would be greatly appreciated.
I am confident that the answer should be.....<span>A protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.
Hope this helps.
</span>
D) Thorns are an adaptation that some plants have evolved in order to discourage herbivores from eating the plant.