How does the phosphorous cycle differ from the nitrogen cycle and the carbon cycle? A.
The phosphorous cycle enters both water and atmosphere, unlike the nitrogen cycle and the carbon cycle.
B.
The phosphorous cycle occurs only in the atmosphere, unlike the nitrogen cycle and the carbon cycle.
C.
The phosphorous cycle does not enter the atmosphere, unlike the nitrogen cycle and the carbon cycle.

1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct

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.

How can you tell the difference between rough er from smooth er?