The primary function of the carbon cycle is to recycle the supply of carbon on Earth.
If this division is based on tissue formation then it is correct because there are 8 types of cells. If it's based on the function then it's incorrect because there are more than 10.
Answer: a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light.
Explanation:
Hmm, learning about this what a while back, but i would say (1)
