Answer: The correct statement is : all the inner planets are dense.
Explanation;
Inner planets are the planets before the asteroid belt lying closer to sun. Earth. mercury Mars , Venus are the inner planets. They smaller and rockier.
Outer planets are the planets after the asteroid belt away from the sun.Saturn, Jupiter, Uranus, Neptune are outer planets.They are mostly made up of gases.
Since, the solid state is more denser than the gases state which means that inner planets made up of rocks are more denser than the outer planets made up of gases.
The density of all the inner planets are dense in this scenario and is denoted as option A.
This is defined as the mass per unit volume of a substance and every mass has a specific density.
Inner planets are made up of rocks and minerals which makes them have a high density.
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