<span>For an outbreak of a waterborne disease to occur, a large number of people must get sick from the water source. </span><span>an outbreak needs a group of people, a large enough group of people, to get sick and at least some of them to seek some kind of medical care so that the cause could be identified. </span>
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Answer:
D. They release waste into the bloodstream.
Explanation:
Kidneys are the primary organs of the excretory system. Their primary function is to remove the metabolic waste from the blood and release it out of the body in the form of urine. The nitrogenous waste, drugs, uric acid, and other metabolic waste products are removed from blood in kidneys.
Hence, kidneys do not release the waste into the bloodstream, rather release them out of the body and filter the blood.
OK so when a rock is weathered down this is a physical type of weathering.
