Answer:B&C
Explanation:
Mesopotamia, the area between the Tigris and Euphrates Rivers (now Iraq), is often referred to as the cradle of civilization because it is the first place where complex urban centers grew.
Answer:
Explanation:
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Strain/Sprain: A strain is when a muscle has been pulled to its limit, while a sprain is a muscle twisted or turned excessively.
Heat Exhaustion: Exactly how it sounds like; exhaustion from heat. Basically, it's a heat illness that you may obtain after being in intense heat for a long time.
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:
