Answer:
78 percent
Explanation:
The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.
Answer: A. False, it should read “If a point mutation occurs in a tumor suppressor gene it can become inactivated. This allows the rate of cell division to increase unregulated.”
Explanation: I already know this for a fact.
<span>The element Carbon is the </span>building block for all<span> known living things. That is why, in some science-fiction movies you hear the term, Carbon-based units.</span>
A tectonic plates
Because the outermost part of earth is know as the lithosphere. The lithosphere is divided into a number of tectonic plates. These plates move and interact with one another, driven by conventional forces within the earth