Answer is B. Soil
Explanation:
Secondary succession is one of the two types ecological succession of a plants life. As opposed to the first, primary succession, secondary succession is a process started by an event (e.g. forest fire, harvesting, hurricane, etc.) that reduces an already established ecosystem (e.g. a forest or a wheat field) to a smaller population of species, and as such secondary succession occurs on preexisting soil
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This disease is Multiple Sclerosis.
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A. A cuff that is too narrow will give a false reading that is high.
The correct answer is (c) metastasis.Metastasis is the spreading of tumor cells to distant parts of the body (from one organ to another, that is not even directly connected with it) via blood and lymph. When the doctor says that the cancer is metastatic, it means the cancer cells are spreading and can be dangerous.
