Rarefaction occurs only in a _______ wave.
A. sympathetic.
B. transverse.
C. forced.
D. longitudinal.

Rarefaction occurs only in a longitudinal wave.

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Asked 2/1/2012 1:02:01 AM

Updated 2/1/2012 6:38:22 AM

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Rarefaction occurs only in a longitudinal wave.

Added 2/1/2012 6:38:22 AM

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Scientists believe that modern humans appeared during the _______ epoch.
A. Pleistocene
B. Miocene
C. Pliocene
D. Paleocene

Weegy: answer is D. Scientists believe that modern humans appeared during the pleistocene epoch. (More)

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Asked 1/26/2012 7:49:41 PM

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Using the Pythagorean Theorem, find the length of a leg of a right triangle if the other leg is 8 feet long and the hypotenuse is 10 feet long.
A. 4v 41
B. 6
C. 12.81
D. 36

Weegy: The answer is C. 12.81 (More)

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Asked 1/27/2012 10:07:33 PM

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What is the area of an equilateral triangle with sides of 10 inches and height of 7 inches?
A. 44 sq. in.
B. 35 sq. in.
C. 70 sq. in.
D. 20 sq. in

Weegy: The answer is B. 35 sq. in (More)

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Asked 1/27/2012 10:10:16 PM

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Store space in a shopping mall is often rented by the square foot. What is the area of a rectangular jewelry store that is 12 feet wide and 18 feet long?
A. 68 square feet
B. 576 square feet
C. 216 square feet
D. 288 square feet

Weegy: The answer is C. 216 Square feet (More)

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Asked 1/27/2012 10:16:57 PM

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If a triangle has a height of 12 in. and a base of 5 in., what is its area?
A. 90 sq. in.
B. 60 sq. in.
C. 30 sq. in.
D. 45 sq. in.

Weegy: B. 60 (More)

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Asked 1/27/2012 10:12:48 PM

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