C Read the excerpt from "Save the Coral Reefs."
Using context clues as a guide, what is the meaning of
"sustenance" in this passage?
Coral receives most of its oxygen and food from the
algae that live in and on the reefs. When the coral
becomes stressed by the overheating of the ocean
caused by global warming, the algae detach from the
reefs, and the reefs lose their main source of
sustenance. The reefs are then bleached into a whitish
color, and have trouble growing and reproducing
the living space of the coral reef
O growth for the coral reef
O the color of the coral reef
O nourishment for the coral reef

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.

Although william carlos williams rejected traditional verse forms he still believed that is was important to use poetic devices to distinguish verse from prose.

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