Multiple Choice
What keeps the Sun's outer layers from continuing to fall inward in a gravitational collapse?
A) outward pressure due to super- heated gas
B) electromagnetic repulsion between protons
C) the strong force between protons
D) neutrinos produced by nuclear fusion drag gas outward
Correct Answer:
Verified
Correct Answer:
Verified
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Q49: Which of the following correctly compares the
Q50: Which has a greater mass?<br>A)two neutrons and
Q51: How does the Sun's mass compare to
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