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What is the surface composition of planets in the solar system?

A,. Helium or hydrogen
B,. Rock or gas
C., Rock or water
D,. Water or helium


Sagot :

Answer:

A: Helium or Hydrogen

Explanation:

Terrestrial planets are the 4 inner most planets of the solar system which are mercury, venus, earth, Mars, while the giant planets are the 4 outer most which are Jupiter, Saturn, Uranus and Neptune.

Now, these outer most ones are the surface ones and are surrounded primarily by layers of hydrogen and helium gases.