Read the sentences. Antarctica is a continent that is vastly underused. Filled with resources ranging from fish to minerals to oil, we are overlooking valuable opportunities for our nation’s economy.

What is the effect of the word vastly on the author’s purpose?

It emphasizes the author’s argument that Antarctica is not being utilized nearly enough.
It proves the author’s argument that Antarctica is not being explored nearly enough.
It demonstrates that Antarctica is filled with resources that are currently not being explored.
It suggests that Antarctica holds the answers for solving the problems in our nation’s economy.

people like to have their own way

to eliminate ambiguous remote or broad reference it is necessary to focus on anaphoric reference. by definition "anaphoric reference means that a word in a text refers back to other ideas in the text for its meaning." the references should be clear and leave no room for ambiguity.

in the first case the pronoun it probably refers to the car but it has not been mentioned before so we should replace it for the car. in doing so the statement becomes clear.

in sentence number   two   the pronoun he refers to charles dickens the author. yet, the first half of the sentence is about the book a tale of two cities. to repair this it would be better to rephrase the first half : after i read   a tale of two cities by dickens, he so as to remove the remote reference.

health care costs in the united states are on the rise.