Answer:
A.
Explanation:
The letter B represents the Epicenter of the earthquake.
The focus would be the letter A and C would be called the fault.
The epicenter is the point closest to the point where the earthquake originated but on the surface and not underground. The hypocenter is the point within the earth where an earthquake rupture starts.
Answer:
D. A signal is sent down an exon within a nerve cell
Explanation:
The correct answer is by facilitated diffusion.
The procedure of continuous passive transport of ions or molecules through a semi-permeable membrane with the help of particular transmembrane integral proteins is known as facilitated or passive-mediated transport or facilitated diffusion.
It is a modification of osmosis incorporating a proteinaceous channel via which an extracellular solute can enter a cell in the absence of energy.
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<em>Merit-Ptah
</em></h2>
<em>Ancient history. The involvement of women in the field of medicine has been recorded in several early civilizations. An ancient Egyptian physician, Merit-Ptah ( c. 2700 BC), described in an inscription as "chief physician", is the earliest known female scientist named in the history of science.</em>