Difference between warm-blooded and cold-blooded animal?

People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?

List charasteristics of athenosphere

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity