Answer:
1.Atria push blood into the ventricles
2.Venticles push blood out of the heart.
The moving of continents is called continental drift. The average speed of the movement of these continents are 2.5 inches per year. Examples would be t<span>he North American and Eurasian tectonic plates which are separated by the </span>Mid-Atlantic Ridge<span>. The two continents are moving away from each other at the rate of about 2.5 centimeters (1 inch) per year. </span>
Yes, unless there are asymptotes.
Some of the world would be dark and some would be light so it would get confusing
