The two principal types of connective tissue in a
muscle are collagen and myofibrils. The entire muscle is wrapped in collagen to
form a fascicle. Looking at one muscle fiber, you will see that almost the
entire cross section of the muscle fiber is composed of long, cylindrical
strands of proteins called myofibrils<span>. </span>
Answer:
O horizon
it is most important for growth of crops
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Answer:
it protects aquatic life from changes in air temperature
Explanation:
