Read the sentence. i spend about half my time, he spends two thirds of his time, and she spends a quarter, or maybe a third, of her time on research. where in the sentence should the writer add a hyphen?

B

I spend about half my time, he spends two-thirds of his time, and she spends a quarter, or maybe a third, of her time on research.

Explanation:

many scientists' predictions of climate change include: warmer temperatures, rising sea levels, and more frequent storms.

that is the wrong

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