The wavelengths of light that penetrate deepest into the ocean are ____
A) red and violet
B) red and yellow
C) blue and red
D) green and blue
D
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A steel section of the Alaska pipeline was recorded to shrink by 3.4 cm on a cold day. If the same section were twice as long, shrinkage would be
A. more than 6.8 cm. B. 6.8 cm. C. also 3.4 cm. D. 0.17 cm.
The arid, sparsely populated western part of Paraguay, known most for its quebracho timber resources, is called the
B. Pampas C. Patagonia D. Prairie
If pairs of enantiomers are only counted once, how many different aldehydes have the molecular formula C5H10O?
A) 2 B) 3 C) 4 D) 5
The speed of the Florida current is high because ________.
A. the channel through which it flows is narrow B. the water has a high salinity C. the Coriolis effect is large D. the winds are strong at this latitude E. None of these is correct; it is a slow current.