Read this excerpt from "Pakistan's Malala: Global Symbol." Some of the girls said they thought everything would work out. They'd be back, they said.

Malala wanted to be hopeful, too. But before she left, she turned around and took one long look at the building.

Which word best describes the tone of the excerpt?

sympathetic
critical
foreboding
considerate

Read these sentences from "the yellow wallpaper." the color is repellent, almost revolting; a smouldering unclean yellow, strangely faded by the slow-turning sunlight. it is dull yet lurid orange in some places, a sickly sulphur tint to others. what tone does the author create with the word choice? o a. beautiful o b. disgusted o c. happy o d. silly

Desalination is expensive because it requires

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.