Answer:
A compound contains atoms of different elements chemically combined together in a fixed ratio. A mixture is a combination of two or more substances where there is no chemical combination or reaction. ... Mixtures contain different elements and compounds but the ratio is not fixed nor are they combined via chemical bonds.
Explanation:
Tumor suppressor genes and proto-oncogenes cause cancer cells to divide uncontrollably.
The answer is B) proto-oncogenes.
Answer:
At the Equator (0° of latitude), the North Star is on the horizon, making an angle of 0°. For any point between the Equator and the North Pole, latitude is obtained simply by measuring the altitude of Polaris: at 30°N the star is 30° above the horizon, at 63°N, it is 63° above the horizon, and so on.
Answer:
<em>Density-Independent</em>
Explanation:
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