In the treatment of patients oxygen masks give oxygen to the patient. this oxygen does what

In which direction is the pacific plate moving in relation to the north american plate?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

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.