Why do I need to pay for education? It should be free.

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.

Can someone give me the main topics discussed in english segment 2 dba ( lesson 3.09 )

How is the freytag's pyramid not related to the conclusion of the story? a) according to freytag's pyramid, the exposition consists of the conclusion of the story. b)according to freytag's pyramid, the exposition consists of the climax. c)according to freytag's pyramid, the exposition consists of the introductory material. d)according to freytag's pyramid, the exposition consists of the falling action of the story.