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Quiz

Mars Part 2

Rebekkah Gresh 7 perguntas

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Perguntas do quiz (7)

  1. 1The polar regions of Mars have a surface layer of Carbon Dioxide (CO2), but the bulk of frozen material is:
    1. APermafrost rocks
    2. BPermanently frozen water ice
    3. CFrozen hydrogen
    4. DFrozen nitrogen
  2. 2According to the book, what evidence and features may indicate the Mars once had liquid water? (Check all that apply)
    1. AWhat appears to be "river channels" are on the surface, indicating that water must have flowed.
    2. BPresence of "islands" around rims of craters, indicating that water likely flowed in the past.
    3. CPossible dried river deltas with fans of sediment about 13 kilometers wide.
    4. DFossilized sea life (bacteria and algae) have been found.
    5. EA "Crater Lake" that seems to have terraces that resemble old beaches.
  3. 3In the past, Mars had a [blank_start]hot interior[blank_end], which allowed for volcanism to take place on the planet. When [blank_start]volcanoes erupt[blank_end], they [blank_start]replenish gasses[blank_end] in the atmosphere, and [blank_start]increase[blank_end] the amount of CO2, a well-known greenhouse gas, making the atmosphere [blank_start]thicker[blank_end]. The greenhouse effect, in addition to a [blank_start]higher[blank_end] atmospheric pressure allowed for the surface temperature to be [blank_start]warmer[blank_end], and for [blank_start]liquid water[blank_end] to be present on the surface.
    1. Ahot interior
    2. Bcold interior
    3. Cvolcanoes erupt
    4. Dmeteors strike the surface
    5. Erivers flow
    6. Fearthquakes occur
    7. Greplenish gasses
    8. Hremove gasses
    9. Iincrease
    10. Jdecrease
    11. Kthicker
    12. Lthinner
    13. Mhigher
    14. Nlower
    15. Owarmer
    16. Pcolder
    17. Qliquid water
    18. Rfrozen water
  4. 4Mars' atmosphere is made of mostly Carbon Dioxide (CO2), a well-known greenhouse gas, in fact its atmosphere closely mimics Venus' atmosphere. Greenhouse gasses trap heat in a planet's atmosphere, and increases the temperature. If this is true, why doesn't Mars' have a similar temperature to Venus?
    1. AMars' atmosphere has a very low density, so the greenhouse effect is much weaker.
    2. BMars is so far from the Sun that it doesn't receive enough heat to experience the greenhouse effect.
    3. CMars' strong seasonal winds mix up the atmosphere, so any heat it traps becomes lost again.
    4. DMars' weak magnetic field causes the atmosphere to be lost constantly, so it cannot have a greenhouse effect.
  5. 5Why does Mars not have liquid water on its surface?
    1. AThe low atmospheric pressure causes the water to "boil off"
    2. BThe high atmospheric pressure causes the water to "boil off"
    3. CThe cold temperatures freeze all the water, though this ice covers large portions of the surface.
    4. DThe cold temperature causes the water to become gaseous.
  6. 6Eventually Phobos (one of Mars' moons) will spiral in and crash into Mars due to tidal drag.
    1. AVerdadeiro
    2. BFalso
  7. 7Deimos and Phobos, Mars' moons, are thought to be captured asteroids.
    1. AVerdadeiro
    2. BFalso

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Descrição
Mars
Idioma
English
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