46. 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.
PROPERTIES OF THE PLANETS
Planet
Mercury
Venus
Earth
Distance from
Sun (AU)
0.38
0.72
1.00
Mass
(Earth = 1)
0.06
0.82
1.00
Density
(g/cm)
5.43
5.24
5.52
Mars
1.50
0.11
3.94
Primary Composition
of Atmosphere
almost no atmosphere
carbon dioxide, nitrogen
nitrogen, oxygen
carbon dioxide, nitrogen,
oxygen
hydrogen, helium
hydrogen, helium
hydrogen, helium.
methane
hydrogen, helium
methane
Jupiter
Saturn
5.00
9.50
317.83
95.16
1.33
0.70
Uranus
19.00
14.50
1.30
Neptune
30.00
17.20
1.76
Based on the information in the chart, which of the following statements is true?
A.
B.
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.
C.
D.