How many tons of soil is eroded each year in the united states A. 20.5 Billion
B. 95.6 Million
C. 1.6 Billion
D. 22 Billion

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

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance