Hydrogen atom near the Moon's surface whose velocity is 3 kilometers per second would do which of the following?
A.
Bind with oxygen atoms to form water vapor.
B.
Bind with other atoms to form an atmosphere.
C.
Fall back to the surface to be absorbed by the lunar soil.
D.
Eventually escape the Moon's gravitation field into space.
The process of plate tectonics refers to which of the following?
A.
The pressure of weight that causes heating of the Earth's core.
B.
Hot sifting material in the mantle that results in movements of the Earth's crust.
C.
Circulation of molten iron in the Earth's core.
D.
The differentiation of silicates into the Earth's crust.
You are analyzing a lunar rock sample and deduce that it is 4.5 Billion years old. What would be the most likely place on the lunar surface that this sample was collected?
A.
The lunar highlands.
B.
Mare Orientale
C.
The lunar maria.
D.
The rock could not have come from the Moon as it is too old.
The current level of carbon dioxide in the Earth's atmosphere is?
A.
411 parts per million
B.
491 parts per million
C.
296 parts per million
D.
351 parts per million
Heating of the Earth's atmosphere 50 km above the surface is caused by?
A.
Absorption of ultraviolet radiation by the ozone layer.
B.
An increase of human produced carbon dioxide into the atmosphere.
C.
Convection of warm air into the stratosphere.
D.
Injection of volcanic ash into the stratosphere.
Answers: 3
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