The atria of the heart merely need to allow blood to flow into the ventricle, and therefore aren't very muscular.
The ventricles of the heart need to actually pump blood to the rest of the body, whether to the lungs or the the rest of the body.
Answer:
A. The video clip explains that you can also look at water as moving to a HIGHER concentration of salute molecules.
B. Why can it also be viewed this way?
Because there is more salute and less water.
Explanation:
I think time travel and the dinosaurs era should be explored in a detail way.The sources and theory of Einstein in travelling time should be researched and for dinosaurs the fossils should have detailed experiment to collect yo answer my question.
<em>hop</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>helps</em><em> </em><em>u</em><em> </em><em>and</em><em> </em><em>keep</em><em> </em><em>smiling</em><em> </em>:)
The type of evolutionary mechanism, genetic drift
