# Astronomy college course/Mercury/questions
## AstroMercury_Study

Template:EduV/quizedit
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### AstroMercury_Study-v1s1

    ___ a) meander
    ___ b) scarp
    ___ c) rille
    ___ d) antipodal
    ___ e) propodal
2. Antipodal to Caloris Basin is
    ___ a) an iron/nickel deposit
    ___ b) a scarp
    ___ c) a water deposits
    ___ d) weird terrain
    ___ e) a silicon deposits
3. A volatile is a substance that
    ___ a) reacts violently with acids
    ___ b) reacts violently with oxygen
    ___ c) reacts violently with water
    ___ d) melts or evaporates at low temperature
    ___ e) melts or evaporates at high temperature
4. The four smaller inner planets, Mercury, Venus, Earth and Mars, also called the terrestrial planets, are primarily composed of ___ and ___.
    ___ a) carbon and oxygen
    ___ b) metal and rock
    ___ c) ice and rock
    ___ d) ice and water
    ___ e) ice and gas
5. If the universe is mostly hydrogen, why aren't terrestrial planets made of mostly hydrogen?
    ___ a) tidal forces between the terrestrial planets prevented accretion
    ___ b) tidal forces from the Sun prevented accretion
    ___ c) thermonuclear fusion in the protosun turned the hydrogen into helium
    ___ d) These planets lie inside the frost line for hydrogen
    ___ e) tidal forces from Jupiter prevented accretion
6. Mercury's atmosphere consists mostly of
    ___ a) carbon dioxide
    ___ b) hydrogen
    ___ c) nitrogen
    ___ d) oxygen
    ___ e) helium
7. In what sequence did Mercury's weird terrain and Caloris basin form?
    ___ a) The weird terrain was formed a few millions years after the Caloris basin
    ___ b) The weird terrain was formed approximately 2 billions years before the Caloris basin
    ___ c) The weird terrain was formed approximately 2 billions years after the Caloris basin
    ___ d) The were formed at exactly the same time
    ___ e) The weird terrain was formed almost immediately after the Caloris basin

#### Key to AstroMercury_Study-v1s1

    - a) meander
    + b) scarp
    - c) rille
    - d) antipodal
    - e) propodal
2. Antipodal to Caloris Basin is
    - a) an iron/nickel deposit
    - b) a scarp
    - c) a water deposits
    + d) weird terrain
    - e) a silicon deposits
3. A volatile is a substance that
    - a) reacts violently with acids
    - b) reacts violently with oxygen
    - c) reacts violently with water
    + d) melts or evaporates at low temperature
    - e) melts or evaporates at high temperature
4. The four smaller inner planets, Mercury, Venus, Earth and Mars, also called the terrestrial planets, are primarily composed of ___ and ___.
    - a) carbon and oxygen
    + b) metal and rock
    - c) ice and rock
    - d) ice and water
    - e) ice and gas
5. If the universe is mostly hydrogen, why aren't terrestrial planets made of mostly hydrogen?
    - a) tidal forces between the terrestrial planets prevented accretion
    - b) tidal forces from the Sun prevented accretion
    - c) thermonuclear fusion in the protosun turned the hydrogen into helium
    + d) These planets lie inside the frost line for hydrogen
    - e) tidal forces from Jupiter prevented accretion
6. Mercury's atmosphere consists mostly of
    - a) carbon dioxide
    + b) hydrogen
    - c) nitrogen
    - d) oxygen
    - e) helium
7. In what sequence did Mercury's weird terrain and Caloris basin form?
    - a) The weird terrain was formed a few millions years after the Caloris basin
    - b) The weird terrain was formed approximately 2 billions years before the Caloris basin
    - c) The weird terrain was formed approximately 2 billions years after the Caloris basin
    - d) The were formed at exactly the same time
    + e) The weird terrain was formed almost immediately after the Caloris basin

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   ##### Study guide

    http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Mercury&oldid=1381954