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(please mark brainliest)
The correct answer should be <span>Distant galaxies move progressively farther away from Earth
According to the Big Bang theory, the universe is constantly expanding and stars and galaxies and entities are moving away from each other. If a galaxy was to be moving towards earth, then that would contradict it since it should be going away from the earth and away from each other until one day the cooling begins.</span>
Answer:
Absolute refractory period
Explanation:
The absolute refractory period is short in an action potential. During the refractory period, there is no occurrence of another action potential. There would occur two types of refractory periods
Absolute refractory periods: Absolute period is the period when another action potential won't occur immediately after a first action potential. This refractory period also called an effective refractory period. This period happened because the sodium channel is inactivated and is stable in the same way until the hyper polarization does not occur.
Relative refractory period:
There are approx. 100 billion neurons in the brain.
The answer is E
The answer is "On several occasions" because it gives an example of its hunting skills afterwards
