The Circumstance- PAcific Belt is also known as Ring of Fire, Circum- Pacific Belt or Pacific Ring of fire.
It is called this way because the term" fire" is associated with volcanos and "ring" because of its length.
This is the area in the basin of the Pacific ocean where many earthquakes and volcanic activity happen. The belt follows a chain of islands like the Philipines, Japan, etc.
The
molecular clock tracks down nucleotide sequences for DNA or amino acids that
contain sequences of proteins. Scientists use this to deduce the time in
history where life forms possibly have diverged. This technique is also known
as a gene clock or an evolutionary clock.
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Answer: Option A.
It lowers the head.
Explanation:
The ischial arch is a prominent structure closer to the colliculus seminalis of horse. The ejaculatory duct is lateral to this and correspond to the area of ductus differenc eand vesicular gland opening.
The vesicular glands can be easily catheterized using a small-diammeter, flexible polyethylene catheter or a stylet . The catheter is inserted into the instrument channel of the videoendoscope and serves as a route for direct aspiration of fluid or instillation of pharmacologic solutions for direct treatment.It also helps to guide the scope head into the seminal vesicle .
