Unlike Earth, the planet Mars cannot support life. To give the planet Mars the ability to support life like ife on Earth, we would have to find a way to change the planet's
A)
atmosphere.
B)
Size
C)
Surface
D)
temperature

Explanation:

A

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl