According to the article, why will people in the path of totality be able to see the sun's corona?

Question

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1 point
Because the air cools down enough during an eclipse
Because viewers will use special tools from scientists to see the corona
Because the sun fully blocks the moon during an eclipse
Because the corona can only be seen when the sun's light is blocked

Answer 1

Because the sun fully blocks the moon during an eclipse

Answer 2

no

Answer 3

Because the corona can only be seen when the sun's light is blocked