A student researching solar flares has taken notes:

• Solar flares are massive explosions on the sun's surface • They release energy equivalent to millions of nuclear bombs • Flares can disrupt satellite communications and power grids • The sun follows an approximately 11-year activity cycle • Space weather forecasting helps prepare for solar events

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The student wants to explain why solar flares matter to modern society.

A

Solar flares are massive explosions releasing energy equivalent to millions of nuclear bombs.

B

Solar flares matter because they can disrupt satellite communications and power grids that modern society depends upon.

C

The sun follows an approximately 11-year cycle of solar activity.

D

Space weather forecasting helps authorities prepare for major solar events.

Correct Answer: B

Choice B. Disrupting satellites and power grids shows relevance to modern society.