The correct answer is option C: hydrogen-poor composition
Hydrogen-poor composition is not a characteristic of the Jovian planets.
Jovian planets are the outermost planets in our solar system which are made up of gases, dust, and other smaller particles of rocks.
The chemical composition of such planets shows they are made up of helium and hydrogen gases in bulk while water, ammonia, and methane are present in trace amounts in their atmospheres. These planets do not have any chance of life due to their thick gaseous atmosphere.
Moreover, they are large in diameter, have low density, and revolve outside the asteroid band.
On the other hand, terrestrial planets have rigid surfaces and make up a major portion of our internal solar system.
These include Earth, Venus, Mars, and Mercury.
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