The smaller the surface area of a cell the easier it is the allow nutrients to enter the cell and have wastes exist the cell quickly. less energy is used!
Answer: Calcium is a mineral and so is Emerald because the come naturally from earth and are some of the building blocks of Rocks.
Explanation:
<span>Evidence about ancient climates indicates that
</span>glacial ice once covered much of what is now India and Australia
There was once glacial where these countries are located now due to heat it all melts
so correct option is A
hope it helps
An organ system like the respiration system