Which animals typically have a reproductive group and a nonreproductive group within their social structure? bees
lions
moose
zebras

The answer is c) organisms that are sensitive to changes in temperature would die.

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on