"the risk of death from coronary heart disease decreases as total physical activity energy expenditure increases from 500 to kilocalories per week."

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

There are only about 250,000 known fossil species. true or false

Choose the diagram that best represents a habitat corridor explain your choice.