The planet with the most prominent rings is
a. Jupiter.
b. Saturn.
c. Uranus.
d. Neptune.
b
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Use the Gibbs phase rule
We now know of polar caps on Mercury, the Moon, Earth, and Mars
Indicate whether the statement is true or false
Smaller worlds are more prone to atmospheric loss via impacts than large worlds because they
A) have no plate tectonics B) have weaker gravities C) are more likely to be hit D) have less internal heat
A jogger is running outdoors on a cold day when the temperature is -20.0°C. Each time she breathes, she inhales 0.00450 m3 of air
She is breathing at the rate of 25 breaths per minute. How much heat does she lose from breathing during 20.0 minutes of jogging if the air in her lungs is heated to body temperature (37°C) before it is exhaled? The specific heat of air is 1020 J/(kg?K) and the density of air is 1.29 kg/m3. A) 169 kJ B) 278 kJ C) 354 kJ D) 431 kJ E) 543 kJ