Answer:
b concentration insid e and out side the cell
C. The presence of predators could cause natural selection because it would mean survival of the fittest.
Answer:
the answer is true
Explanation:the gravitational pull from the moon is what decides our tides if the moon is further away than the tides are down but if the moon is closer than the tides go up due to the pull of the moon on the water
I would say fossilization
