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A) 1985 B) 1995 C) 1960 D) 1972
A) Ascraeus Mons B) Tharsis Montes C) Elysium Mons D) Olympus Mons
A) Hesperian to early Noachian B) Noachian to late Amazonian C) Late Amazonian only D) Pre-Noachian to modern day
A) Atmospheric cooling B) Solar radiation absorption C) Tectonic plate movement D) Volcanism
A) Lava, tephra, and gases B) Plutons, dikes, and sills C) Sediment, ash, and ice D) Magma, granite, and water
A) Water vapor and metallic ores B) Liquid iron, oxygen, and dust C) Molten silicates, suspended crystals, and dissolved gases D) Frozen nitrogen and silicate rock
A) The magma cools into granite B) The magma erupts immediately C) Buoyancy is neutralized and the magma stalls D) The magma solidifies instantly
A) 95% B) 80% C) 50% D) 20%
A) Primitive B) Felsic C) Evolved D) Mafic
A) Basaltic B) Felsic C) Mafic D) Primitive
A) Iron and magnesium B) Water and carbon dioxide C) Silica and volatiles D) Granite and feldspar
A) Plutons B) Volcanic ash C) Diapirs D) Basalt
A) Reaction with atmospheric oxygen B) Extreme heat from the mantle C) Rapid expansion and cooling from bubble nucleation D) Crystallization of silicate minerals
A) Effusive B) Hydromagmatic C) Basaltic D) Viscous
A) Oxygen and nitrogen B) Helium and hydrogen C) Methane and sulfur D) Carbon dioxide and water vapor
A) Smaller than the Moon B) Intermediate C) Larger than Earth D) Equal to Earth
A) Explosive B) Rhyolitic C) Basaltic D) Andesitic
A) Sedimentary accumulation B) Partial melting of the upper mantle C) Subduction of oceanic crust D) The Earth's core
A) Pyroclastic flows B) Lava fountains C) Mid-plate hotspots D) Cinder cones
A) Eruptions occur only on Earth B) Eruptions are less frequent on Mars C) Eruption frequency is identical D) Eruptions are more frequent on Mars
A) Elysium Planitia B) Gale Crater C) Olympus Mons D) Tharsis region
A) Mars volcanoes are restricted to subduction zones B) Mars lacks plate tectonics C) Mars has more divergent boundaries D) Mars has more convergent boundaries
A) Mid-plate volcanoes B) Subduction zone volcanoes C) Supervolcanoes D) Oceanic ridge volcanoes
A) Greater number of mantle plumes B) Higher surface gravity C) Higher magma viscosity D) Absence of plate tectonics
A) 5 km B) 550 km C) 100 km D) 21 km
A) Magnesium B) Basalt C) Tridymite D) Cinder |