Background extinction refers to the normal extinction rate. These are species that go extinct simply because not all life can be sustained on Earth and some species simply cannot survive. Mass extinction is a widespread event that wipes out the majority (over 50%) of living plants and animals.
Answer: a close evolutionary connection between humans and many other mammals
Explanation:
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<span>I suggest dialysis to the patient. Dialysis is a medicine. People who failed with the kidneys may have difficulty eliminating waste and unwanted water from the blood. Dialysis is an artificial way of carrying out this process. Dialysis substitutes the natural work of the kidneys.</span>
