There is no rock record in the Hadean Eon.
a. true
b. false
Answer: a. true
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In what part of Australia do most of its people live?
A) southeast
B) northwest
C) southwest
D) the Outback
E) northeast
If a nonrotating object has no acceleration, then we can say for certain that it is
A) at rest. B) moving at constant nonzero velocity. C) in mechanical equilibrium. D) all of the above E) none of the above
Which of the following statements about malaria is true?
A) Malaria is the greatest health threat to northern Eurasia and North America. B) Mosquito saliva transmits tiny sporozooites to the victim when they are bitten. C) The organism that causes malaria is a virus related to H5N1. D) Malaria can be transmitted to humans by contact with pig or bird feces.
If the continents were once joined together, rocks and mountain ranges on the margins of each should have ____.
a. formed under the same conditions b. formed the same sequences c. formed at the same time d. the same structural trends and forces e. all of these