Scientists study the planets of our solar system from Earth and from space, and are continually learning more about them. The chart below lists key properties of the planets.
Mercury
Earth
Mars
PROPERTIES OF THE PLANETS
Distance from Mae
Deasily Primary Composition
Son AD
of Atmosphere
0.18
005 5.41
almost no atmosphere
0.72
082
carbon dioxide, nitrogen
100
1.00
3.52 nitrogen, oxygen
1.50
0.11
carbon dioxide, nitrogen,
5.00
317.80
1.33
hydrogen, helium
95.16
0.70
hydrogen, helium
14.50
1.30
hydrogen, helium
methane
10.00
17.20
1.76
hydrogen, helium
methane
394
Jupiter
Saturn
Uranus
19.00
Neptune
Based on the information in the chart, which of the following statements is true?
The farther a planet is from the Sun, the less oxygen it has
The least massive planet has an atmosphere that would support life.
The most massive planets have lower densities than the rocky planets.
Some outer planets have similar atmospheres to those of the inner planets.
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