Virus culturing because it allows you to take the virus and control it so can put it into a vaccine
B) Epithelial.
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Answer:
The correct answer is - stress fracture.
Explanation:
A stress fracture is a hairline crack in a bone or severe bruise within the bone that is occurred in a person due to repetitive activity or overuse activity in a particular organ. This is a common condition in athletes and runners or sportspersons.
The stress fracture is normally occurs in the foot and lower leg due to the carrying the body weight while performing actions like walking, running and etc.
Thus, the correct answer is - stress fracture.
Answer is A. More than 90 degrees and you're not getting the full work out, less than 90 degrees and you're burning energy unnecessarily