According to Figure 12.43 when did the Caledonian Mountains form?
A) 540 million years ago
B) 430 million years ago
C) 300 million years ago
D) 170 million years ago
E) 90 million years ago
Answer: B
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Latitude is
A) the angular distance measured north or south of the equator. B) the angular distance measured east or west of a prime meridian. C) the basis for establishing meridians. D) portrayed on a globe as lines that cross the equator at right angles.
When your grandma was a young girl she lived in a house on the bank of a river. When she returns to the house after 60 years, she is surprised to see that the river has moved several feet away from the bank
Explain how the river shifted its position.
The source of electrons in an ordinary electrical circuit is
A) a dry cell, wet cell, or battery. B) the back emf of motors. C) the power station generator. D) the electrical conductor itself. E) none of the above
A horse is an example of a/an
a. vertebrate. d. invertebrate. b. brachiopod. e. cynodont. c. archaeocyathid.