Answer:
Option 4
Explanation:
Please see the attachment
They use specialized cell organelles to maintain homeostasis because they don't have an entire organism that does it, so they have to do everything all by themselves.
Blood enters on the left side of the heart through the pulmonary veins and enters the left atrium. Then passes to the mitral(bicuspid valve) to enter the left ventricle.
Answer:
a.c.n.e (join the letters together without full stops. i need to type like this as brainly does not allow me to type that word)
Explanation:
An excess of sebum combined with dead skin cells can block pores and cause blemishes such as blackheads and pimples.
<span>Saudi Arabia – <span>11.75 million barrels per day is top producing. </span></span><span>United States consumes the most consumption, about 19 million barrels on a daily basis, or 6.9 billion barrels per year. </span>