The exposed part of the North American craton is the ____.
A)Pacific coast
B)Appalachian Mountains
C)Adirondack Mountains
D)Canadian shield
E)Great Lakes basin
Question 2Former meanders that have been cut off from the stream are called ____________________.
Fill in the blank(s) with correct word
Question 3Volcanoes have a cylindrical conduit know as a volcanic ____ that connects to an underlying magma chamber.
A)neck
B)tube
C)funnel
D)pipe
E)cord
Question 4During the Archean, how long was the length of a day on Earth?
A)36 hours
B)10 hours
C)The same as the length of a day on modern Earth
D)The same as in the present but with no sunlight, i.e., all darkness
E)The same as in the present but there no darkness, i.e., all daylight
Question 5____________________ is the process where bed load is transported by intermittent bouncing, skipping, and resting along the stream bed.
Fill in the blank(s) with correct word
Question 6A laccolith forms when a sill ____ and causes the overlying rocks to ____.
A)ruptures underground; collapse
B)inflates; bow upwards
C)deflates; melt
D)breaks the surface; explode
E)becomes a dike; tilt 90 degrees
Question 7The oldest rocks (not minerals) on Earth are_____ old.
A)4.6 billion years
B)4.4 billion years
C)4.0 billion years
D)3.8 billion years
E)3.5 billion years
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