Consider the following statements about solar system 1 Gravity caused the initial contraction ...........

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Consider the following statements about solar system:

1. Gravity caused the initial contraction of the Nebula formed by cloud of gas and dust

2. The contracted mass had to spin faster to conserve angular momentum

3. The inner planets of solar system are heavier as the lighter gases moved away due to solar winds

Which of the statements mentioned are correct?

1 and 2 only

1 and 3 only

2 and 3 only

All of above

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Explanation:

3rd statement is incorrect.
The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars. Generally, inner planets are smaller and denser than their counterparts, and have few to no moons or rings circling them. The outer planets, meanwhile, often have dozens of satellites and rings composed of particles of ice and rock.