How is the underlined gerund used in the sentence? me

he hopes his hobby, cooking, will become his career.

a.
appositive

b.
predicate nominative

c.
subject

d.
object of a preposition

Which sentence from exploring the titanic best indicates the author’s enthusiastic tone at the end of the passage? now, finally, i went to my bunk to get some sleep. when i awoke, it was nighttime, and the good ship knorr was steaming quietly and steadily to our home. they had paid a big price over the years during my long months away from home, but they’d never once complained. as we came into port, i couldn’t believe my eyes.

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.

If the court issues an injunction against the school's rule, will the petitioning students be glad or upset?