What is a dichotomous key used to do?
O A. Define terms related to plants
OB. Classify organisms
OC. Divide data into two equal levels
OD. Separate coarse and fine particles

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

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.