Answer:
Many traits unique to the human lineage were long thought to have originated between 2.4 million and 1.8 million years ago in Africa. These include a large brain and body, long legs, reduced differences between the sexes, increased meat-eating, prolonged maturation periods, increased social cooperation and tool making.
Answer:
Decreases
Explanation:
There is less air above us as we go up.
<h2>
Answer: c. another action potential can be generated provided the stimulus is large enough.</h2>
Explanation:
Refractory period - (1) absolute refractory period and (2) Relative refractory period
.
Relative refractory period -It is the interval immediately following the Absolute Refractory period during this period, initiation of a second action potential is inhibited but not impossible. It is the period shortly after the firing of a nerve fiber when partial repolarization has occurred and only a greater than normal stimulus can stimulate a new response.
Answer:
Pseudo-Science (Astrology, Iridology, reflexology...) Ect.
Explanation:
The Scientific method has to be proven and tested on.
It is a vestigial Structure.
Explanation:
