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Type: Multiple-Choice
Category: Sun
Level: Grade 9
Author: LBeth
Last Modified: 7 years ago

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Grade 9 Sun

Which statement best describes the Sun's hydrostatic equilibrium?
  1. The generation of energy by radiation balances the loss of the Sun's energy by fusion.
  2. The loss of the Sun's energy by radiation balances the generation of energy by fusion.
  3. The inward push of gravity balances the outward push of the Sun's internal pressure.
  4. The outward push of the Sun's internal pressure balances the inward force of gravity.