Answer:
Active transport: movement against a gradient To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the proper concentrations of ions and molecules in living cells.
Answer: some moons are farther away and harder to spot
Explanation:
Through expanding, some galaxies are on a collision course with us.
C is not an example of evolution so that is your answer
