D, because all of the other options say that humans do not cause it, or that it is based on false data.
Answer and Explanation:
Size of the cell=diameter of field in цm/number of cells across the field
Example:
A student observed a row of 16 epidermal cells in a microscopic field that was 800цm in diameter. Calculate the average length of each cell.
Answer:
size of the cell=8000цm/16
= 500цm.
They live in groups for protection from predators could be one
Answer: Chlorophyll is a substance inside the chloroplasts which is used to absorb light from the sun in order to provide the plant with energy to photosynthesise
Explanation:
