How does hail form? a. snow freezes on its way down to earth. b. tiny water droplets collide and form larger drops that fall to the ground. c. winds move frozen water drops up and down inside clouds, forming layers of ice that eventually fall to the ground.

The idea that desirable traits can be bred into human beings and undesirable ones can be bred out is known as:

To what kinds of messages might the brain respond to keep you balanced on one foot?

The persians landed in the plains near athens. as their army greatly outnumbered that of the greeks, the greeks hoped to find aid from nearby sparta. a long-distance runner named pheidippides was sent from athens to sparta to request , but the spartans were not able to send more soldiers at the time. regardless, the greeks were still able to win the battle. centuries later, legend developed that a runner had been sent from the battle to athens after the greek victory. after reaching athens, the runner proclaimed, "we are victorious! " and then fell to the ground and died. this legendary story is the inspiration for the modern long-distance runs that are performed today. this passage refers to the events of which battle during the persian wars? a. battle of thermopylae b. battle of salamis c. battle of plataea d. battle of marathon