Quiz 10
Which of these best describes the chemical composition of the moon?
It appears to be a combination of Earth crust, Earth mantle, and asteroids
How does the large-impact hypothesis explain why the moon lacks water, hydrates, and volatiles?
The water, hydrates, and volatiles vaporized in the heat of the collison
The moon's highlands
are older than the maria
The earth's original atmosphere was composed mostly of
carbon dioxide, water vapor, and nitrogen
consider cratering, scientists have discovered young surfaces have _____ craters, which are ______ spaced
few, widley
The Earth's moon has no atmosphere because its mass is ________ the Earth's and its escape velocity is ______ that of the Earth
less than, more than
The mountains on the moon were created by
meteoritic/asteroid impacts
The earth's carbon dioxide amounts can normally be reduced by
plate tectonics and the dissolving of CO2 into the oceans
The moon's surface is covered with a fine powdered layer of rock called
regolith
Craters and impact basins on the moon are named in honor of
scientists and philosophers
Which hypothesis, concerning the formation of the moon, makes predictions that best fit the observed lunar data?
the large impact hypothesis
The presence of breccias among the lunar rock samples shows that
the lunar surface was heavily bombarded by meteorite impacts
How were the smooth, dark plains called maria formed on the moon's surface?
the maria formed as the floors of impact craters flooded with lava
The Moon's atmosphere is mostly composed of:
the moon has no atmosphere
The nearside of the moon has more mare because
the nearside has a thinner crust than the farside