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Question #69373

The inexhaustible source of energy of the stars is due to?

A Conversion of Hydrogen to Helium
B Conversion of Helium to Hydrogen
C Decay of radioactive elements
D Excess of oxygen that helps burning and release of energy
💡 व्याख्या एवं सही उत्तर (Verified Answer)

सही उत्तर: 1

Question #69370

We always see the same face of the moon, because?

A It is smaller than the earth
B It revolves on its axis in a direction opposite to that of the earth
C It takes equal time for revolution around the earth and rotation on its own axis
D It rotates at the same speed as the earth around the sun
💡 व्याख्या एवं सही उत्तर (Verified Answer)

सही उत्तर: 3

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Question #69369

Meteorites are the heavenly bodies?

A Between the Mars and the Jupiter
B Between the Saturn and the Neptune
C Between the Mars and the Venus
D That burn brightly on entering the Earth atmosphere
💡 व्याख्या एवं सही उत्तर (Verified Answer)

सही उत्तर: 4