Has anyone read “The River-Merchant’s Wife: A Letter,” by Ezra Pound.? I need help answering some questions.

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.

When is the best time to evaluate options? a. during the first step of decision-making b. as you identify options c. after you've identified many options

Secret in slovakia how does the author's use of foreshadowing in the opening paragraphs affect the passage? a. it creates excitement by revealing the narrator's hopes of receiving part of her great-aunt's estate. b. it creates dread through its vivid descriptions of the house; readers are aware that something terrible has happened within those walls. c. it creates mystery by suggesting that the narrator's view of the house will somehow change as a result of her experiences inside. d. it creates a sense of joy and anticipation by hinting that the narrator will be reconnected with her great-aunt.