1. What is Mars ? Explain your answer.
What is Earth ? Explain your answer.

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Mars is the fourth planet.

Earth is the third planet.

Both revolve around the Sun.

Both are rocky planets.

Earth is habitable for carbon based life forms.

Mars is not habitable for carbon based life forms.

Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, being larger than only Mercury. In English, Mars carries the name of the Roman god of war and is often referred to as the "Red Planet"

Explanation:

Earth is the third planet from the Sun and the only astronomical object known to harbor and support life. About 29.2% of Earth's surface is land consisting of continents and islands

the dependant variable is spilled water

the independent is the heat