The atmosphere exerts a force (pressure) on Earth. Why does the atmosphere exert pressure on Earth? A. because of the pull of Earth’s gravity on air molecules B. because of electromagnetic radiation from outer space C. because of the effect of the ozone layer on solar radiation D. because of the effect of greenhouse gases on heat radiating from Earth

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.