Why might some siblings in a family show the trait of albinism while others don't?

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

Someone me with this: a mineral' is determined by its actomic structure.

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.