Cancer is an abnormal and uncontrolled multiplication of cells.
<span>Cancer also involves abnormal cell growth with the potential to spread to other parts of the body via blood and to form metastasis. Cancer cells avoid apoptosis (programmed cell death), have the limitless number of cell divisions and promote blood vessel construction. There are more than 100 types of cancers that affect humans with different signs and symptoms and with many different causes. </span>
Answer:
ice on the tundra or soil that is always frozen
Explanation:
Amphibia,
Reptilia, Aves, and Mammalia are included in the group Tetrapoda. The
correct answer between all the choices given is the second choice. I am hoping
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higher. cancerous cells have a higher mitotic index than regular cells because the cells are constantly dying. hope this helps :)