What is the explanation for the pattern of granulation seen on the visible surface of the Sun?
a. The granules form the base of a circulation pattern that extends from the photosphere to the outer corona.
b. The granules are regions of nuclear energy generation in the Sun's photosphere.
c. Each granule contains a strong magnetic field, which compresses and heats the gas underneath it.
d. The granules are the tops of hot gas that have risen from the Sun's convective zone.
Question 2
An object in orbit around Earth
a. is not experiencing gravity. b. is in free fall.
c. is accelerating towards Earth. d. is in free fall and is accelerating toward Earth.
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