The type of molecule that is fat is called lipids
In general, the most abundant gas in earth is oxygen, since it's one of the elements in water. However if specifically in the atmosphere, nitrogen is the most abundant gas with 78%.
The answer is D. the curculitory system transports hormons.
Answer:
Yes!
Explanation:
It is stated in the Unified Cell Theory by a Botanist named Schleiden and a Zoologist named Schwann that all Living Things (organisms) are composed of 1 or more cells. The cell is the basic unit of life.
Cell divison is necessary to replace cells that are worn and aging. Cells do not have an indefinite life span. Fo example, the life span of a red blood cell is about 120 days.