Which of the following is NOT true about Earth’s systems? A. Together, the the geosphere, hydrosphere, atmosphere, and biosphere work to support life on planet Earth. B. Our atmosphere is the place that holds our oxygen. C. There are many systems, or, parts, that work independently. D. There are many , systems, or parts, of the Earth that work together.

Why is excretion necessary to maintain homeostasis?

Differentiation of cells changes the nucleic information. true false

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.