Ans: D. impact by a large asteroid
What event do scientists think created the Caloris Basin on Mercury?
A. collision with a Mars-sized body
B. extreme tectonic activity
C. melting from extreme solar activity while Mercury was forming
D. impact by a large asteroid
Environmental & Atmospheric Sciences
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If the earth's axis were parallel with its orbital plane around the Sun
A) there would be no significant weather. B) the South Pole would always be in darkness. C) the North Pole would always be in darkness. D) there would be at least one day a year when every spot on Earth would receive 12 hours of daylight.
Environmental & Atmospheric Sciences
What is the approximate population of Southwest Asia and North Africa?
A) 100 million B) 200 million C) 500 million D) 1 billion E) 700 million
Environmental & Atmospheric Sciences
What conditions are required to form the parallel alignment of minerals sometimes found in metamorphic rocks?
A. Both heat and pressure B. Heat only C. Pressure only D. Either heat or pressure
Environmental & Atmospheric Sciences
Use your knowledge of plate boundaries to answer whether a volcano is likely or unlikely to form at the location of the red triangle.
A. likely B. unlikely
Environmental & Atmospheric Sciences