When the Sun becomes a red giant, what will the atmosphere be like on the Earth? A. It will become too hot for life to exist. B. It will be enveloped in the expanding surface of the sun.

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When the Sun becomes a red giant, what will the atmosphere be like on the Earth?

It will become too hot for life to exist.

It will be enveloped in the expanding surface of the sun.

It will freeze and become solid.

It will be almost destroyed by nova explosions.

Giải thích

Đáp án B

“The Sun will then be a red giant star. Temperatures on the Earth will become too high for life to exist”

To shrink = to become smaller: nhỏ đi