<span>B is the correct answer. Carbon dioxide is a compound of two elements, carbon and oxygen. There are two oxygen molecules for every carbon molecule in the compound. </span>
The factor that has the most greatest importance in determining the characteristics of an aquatic ecosystem will be water depth. The depth will determine the sunlight that the ecosystem will get. The answer will be B.
Coronary
arteries supply blood to the heart muscle, The left one, arises from the aorta and
feeds blood to the left side of the heart and the right one supplies blood to
the right ventricle, the right atrium, and the SA (sinoatrial) and AV
(atrioventricular) nodes, which regulate the heart rhythm.
Blockage
in this vessel result in
<span>reducing
the flow of oxygen and nutrients to the heart muscle and that can lead to a
heart attack. Atherosclerosis and arteriosclerosis are the most common causes
of heart disease.</span>
Answer:
Option 2 and 4
Explanation:
i think it is option 2 and 4 because it tells us what a character does :)
