Question

which statement describes earth?
it is an outer planet.
it is a gaseous planet.
it was formed from gas and dust.
it has a thick atmosphere of hydrogen and helium.

Explanation:

Step1: Analyze Option A

Earth is an inner planet, not an outer planet. Outer planets are Jupiter, Saturn, Uranus, Neptune.

Step2: Analyze Option B

Earth is a terrestrial (rocky) planet, not a gaseous planet. Gaseous planets are like Jupiter.

Step3: Analyze Option C

All planets in our solar system were formed from the solar nebula (a cloud of gas and dust). So this is correct.

Step4: Analyze Option D

Planets like Jupiter have a thick atmosphere of hydrogen and helium. Earth's atmosphere is mainly nitrogen and oxygen.

Answer:

C. It was formed from gas and dust.