Asap
which of the following best describes a gas?
a)a state of matter composed of tightly packed molecules.
b) a state of matter composed of freely moving molecules.
c)a substance that is not capable of infinite expansion.
d)a substance that is easily poured.

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

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.