Which sentence from the passage supports the inference that some scientists have challenged
Newton's universal theory of gravity?
O 1. "Nearly three centuries would pass before the
world would host a comparable scientific
genius." (Paragraph 1)
O 2. "Newton's view of gravity might be called the
great equalizer." (Paragraph 3)
03. "Regardless of physical composition,
everything exerts as well as feels the force of
gravity." (Paragraph 3)
O 4. "This success gave Newton's theory
unequivocal support until the early part of the
twentieth century." (Paragraph 4)

In hard times by charles dickens, mr. gradgrind is depicted as protective and respectful rigid and narrow-minded innovative and ambitious worldly and clever

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.

Which example is presented in chronological