What happens to the ratio of surface area to volume as the cell size increases without the cell changing shape?

Which of the following human activities resulted in the growth of the north american deer population?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000