2. When you rub your palms together,
A sliding friction occurs.
B static friction occurs.
C rolling fnction occurs.
D fluid friction occurs.

Blood, made up of red and white blood cells, work together to form

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

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.