Which of these interfere with communication on earth? 1. sunspots
2. solar Flares
3. solar wind
4. solar prominences

2) Solar Flares

Explanation:

Solar flares have been known to affect electronic communication because their energy stirs up the Earth's upper atmosphere, making radio broadcasts noisy and weak. The flares, caused by violent storms on the Sun, eject a stream of electrically-charged particles, some of which reach the Earth.

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what the squwock

explanation:

it takes hundreds of years to become stable.

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