The gradual decline in men's testosterone levels in middle age can reduce their sex drive
Answer:
The objective itself is usually a cylinder containing one or more lenses that are typically made of glass; its function is to collect light from the sample.
Explanation:
A telescope mirror can be made from glass that is somewhat less pure than that used to make a lens, since light does not pass through it.
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Answer:
ok
Explanation:
What is the question. Let see if I can try
