I guess because of concentration.....it stops !
23 chromosomes is the amount of pairs
Biodiversity is a term used to describe the enormous variety of life on Earth. It refers to every living thing, including plants, bacteria, animals, and humans.
Two main factors :
First, the distance from the earth to the sun allows enough heat (energy), not too much, to be absorbed on earth's surface.
Second, earth's atmosphere allows it to keep most of the heat it absorbed during the day for the night. Otherwise, temperatures would drop down below a life sustaining point.
Answer:
Bottom line: The planets in our solar system orbit (revolve) around the sun, and the sun orbits (revolves) around the center of the Milky Way galaxy. We take about 225-250 million years to revolve once around the galaxy's center. This length of time is called a cosmic year.
Explanation:
