If daughter isotopes are lost from a mineral after radioactive decay begins the calculated age of the mineral in questions will be
A) correct.
B) no age can be calculated.
C) too old.
D) too young.
Answer: D
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Which of the following describes the prevailing wind at Vancouver, British Columbia (latitude 50° N),
A. easterly B. southwesterly C. westerly D. northwesterly
Which of the following factors explains why the world's deserts exist at 30o latitude?
A. the sinking air of the subtropical highs B. the convergence of the prevailing westerlies and the northeast trades C. the location of the intertropical convergence zone D. the sinking air of the polar front
The loess deposited in many parts of the Midwest ________
A) was once glacial outwash deposits B) is uniformly thick C) is in the form of transverse dunes D) had its source in desert regions
Which of these numbered features is a foreland basin?
A. 1 B. 2 C. 3 D. 4 E. 5