Answer:
A. The hydrogen atoms have a partial positive charge and are attracted to the oxygen atom in another molecule, which has a partial negative charge.
Explanation:
I just took the quiz. That was the correct answer.
Preventing ph changes caused by the rising and falling pco2 of the plasma
Answer:
the skin on your body
Explanation:
because it is a tough cover it protects the body in many ways,thus it's water proof.
Answer:
plant leaves contain openings called stomata, which allow the diffusion of gas exchange
Answer:
La vida en la Tierra. Los estudios de los fósiles de rocas antiguas nos revelan que la vida probablemente comenzó hace unos 4 billones de años, cuando la Tierra era muy joven. Nadie sabe cómo comenzó la vida en nuestro planeta. La mayoría de los científicos piensa que se originó en el agua líquida
Explanation: