Answer:
For a contraction to occur there must first be a stimulation of the muscle in the form of an impulse (action potential) from a motor neuron (nerve that connects to muscle). Note that one motor neuron does not stimulate the entire muscle but only a number of muscle fibres within a muscle.
Explanation:
B.when the eye reaches the land mass
It is A, the cell is divided into a parent cell and daughter cell (mitosis)
Actually, it is both acquired and part of your DNA. There is a logical <span>explanation but you have to figure that out on your own.</span>
Hey there!
Pluto crossed Neptune's orbit. However, their paths do not actually cross, they just swap positions.
Hope that helps!
~Autumly
