A) The Earth is the densest of all the planets in our solar system
B) The predominant element in the composition of the Earth is silicon.
C) The Sun contains 75 percent of the assess of the solar system
D) The diameter of the Sun is 190 times that of the Earth.
Correct Answer: A
Solution :[a] With an average density of 5.52, the Earth is the densest of all the planets of our solar system. The predominant element of the Earth's composition is iron (35%) while that of the earth's crust is oxygen (46%). The Sun contains more than 99% of the mass of the solar systems. The diameter of the sun is about 109 times that of the Earth.
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