If the substance entering the cell was in higher concentration inside the cell than outside the cell, what type of transport would be required. explain your answer
a. active transport b. passive transport

B. Passive transport

As oppose to passive transport, active transport’s key to its description uses energy to be able to transfer the said substance. This is important in a lot of aspects such as providing the needed elements or compounds in cellular activity. 

Diffusion occurs because of the movement of molecules from the region of higher concentration to the region of lower concentration.
Omosis is the movement of water.