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

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer

2b2t

explanation:

2b2t