What is Mutation
The major source of the genetic diversity among microorganisms upon which natural selection operates is Mutation.
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Answer:
Congestive Heart Failure.
Explanation:
Congestive heart failure may be defined as a type of the chronic condition that might affect the pumping of the heart muscles. The fluid gets accumulated in the heart.
The congestive heart failure cannot be easily marked in youngsters but can be marked easily in the old persons. The individual feels difficulty in breathing and may also suffer from the tachycardia. Excessive sweating and change in the nail color is common in severe heart failure.
Thus, the correct answer is option (D).
Out of the following choices given, the true statement about diffusion is molecules move from areas of high concentration to areas of low concentration. The correct answer will be D.
The fibrous proteins which are found in connective tissues of the animals are either collagen, elastic, or reticular fibers. This collagen fibers provide strengths to the connective tissues.
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