Question

wich fibers are relatively less strong.
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Answer 1

Explanation:

Type II A fibers are red, unlike Type II B fibers, which are white. Type IIA fibers have a very high capacity for generating ATP by oxidative metabolic processes, and split ATP at a very rapid rate. They have a fast contraction velocity and are more resistant to fatigue than Type IIB.

Answer 2

Answer:

Wool is the less strong fiber.