Why does the sand feel hot under your feet on a sunny day at the beach? A)
Wind blows heat into the sand.
B)
The Sun's rays heat up the sand.
C)
The waves hitting the beach make a lot of heat.
D)
All of the people walking on the sand heat it up.

Why is excretion necessary to maintain homeostasis?

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above