In which type of source would you be most likely to find expert testimony? a poll an interview an encyclopedia a blog

Magnesium is the fourth most abundant mineral in the body and is essential to good health. magnesium is needed for more than 300 biochemical reactions in the body. it maintain normal muscle and nerve function, keep bones strong, keep one’s heart rhythm steady, and supports a healthy immune system. magnesium also regulate blood sugar levels, promotes normal blood pressure, and may play a role in energy metabolism and protein synthesis. doctors and scientists are trying to determine whether magnesium may play a role in preventing and managing disorders such as hypertension, cardiovascular disease, and diabetes. which is the main idea of this paragraph? a. the role of magnesium in human nutrition is being studied intensely. b. magnesium may be related to the body’s metabolism and other healthy functions. c. magnesium appears to contribute to hypertension, cardiovascular disease, and diabetes. d. magnesium and a healthy immune system are separate diseases.

What is one reason dante most likely wrote the inferno? a. to fight against the church's view of punishing sin b. to clear his father's name for the wrongs he is accused of c. to show he was a better poet than virgil d. to take revenge on the people in florence who hurt him

From the life cycle of a plastic bottle, what is the best definition for the word “toxin”?