What forces maintain hydrostatic equilibrium in an object?
A) centrifugal force and gravity
B) pressure and gravity
C) magnetism and gravity
D) radiation and pressure
Correct Answer:
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Q12: Where does fusion occur in the Sun?
A)
Q13: Which of the following mechanisms is a
Q14: In which of the following ways are
Q15: A star loses one billion kilograms of
Q16: What is required to overcome the electrical
Q18: What has provided the best data about
Q19: Which of the following is NOT identical
Q20: In which of the following ways are
Q21: Sunspots always occur in:
A) 13-year cycles.
B) weak
Q22: Sunspots are areas of:
A) strong convection.
B) weak
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