I think the first two should be checked but not the third one. Hope this helped :)
Answer:
first drop down:
a. mass
second drop down:
b. weight
third drop down:
a. strength of gravity increases
fourth drop down:
b. weight decreases
The answer would be single
Answer:
Answer is microvilli.
Explanation:
Plasma membrane possesses or comprises of channels , made up of proteins , and form openings for certain molecules to diffuse through and into the cell.
The major function of the microvilli is that it increases the surface area of the cell. This activity increases the rate of absorption, secretion and cellular adhesion.
It should be noted that, microvilli are projections or protrusions found on the cellular membrane.