Which of the following statements about the Sun is incorrect ?
A) The Sun radiates 10 26 watts of energy constantly into space.
B) Earth receives approximately 1 part per billion of the Sun's energy.
C) The main advantage of solar energy is that it has higher concentrated energy content than fossil fuels.
D) The significant obstacle in using solar energy is its relatively low concentration.
E) One of the obstacles in using solar energy is its cost.
Correct Answer:
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