Which sentence best describes how energy flows through an pyramid? The organisms at the bottom level provide energy directly to organisms in all the other levels
.
Some energy is transferred from organisms in one level to those in the level above.

Energy is transferred down each level of the energy pyramid.

The energy lost at each level is consumed by organisms in the top level.

The energy lost at each level is consumed by organisms  in the top level.

Explanation:

Energy is transferred down each level of the energy pyramid. So that is the best sentence!

d. sodium chloride ions.

answer;

-vessels in the chest

the diagnosis of angina pectoris literally means "vessels in the chest"

explanation;

-angina pectoris is the medical term for chest pain or discomfort due to coronary heart disease.it is the chest pain due to an inadequate supply of oxygen to the heart muscle. the pain is typically severe and crushing, and it is characterized by a feeling of pressure and suffocation just behind the breastbone.

agina pectoris is caused by reduced blood flow to your heart muscle. the blood carries oxygen, which the heart muscle needs to survive. when the heart muscle isn't getting enough oxygen, it causes a condition called ischemia