To be effective, fog lamps on cars should be directed in which of the following directions?
A. slightly oblique
B. straight ahead
C. slightly downward
D. slightly upward
Answer: C
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How much of the light that reaches Earth's surface is captured by organisms?
a. One part in 2
b. One part in 20 c. One part in 200 d. One part in 2,000 e. One part in 20,000
In the sixteenth and seventeenth centuries, the doctrine of catastrophism was used to describe how the Earth had been shaped quickly by fast, violent catastrophes and was therefore very young
In the eighteenth century, James Hutton developed the principle of uniformitarianism, which stated that the Earth was shaped by small, gradual changes occurring over a long period of time, making the Earth much older. Which view (if either) is correct, and why? What will be an ideal response?
Pyroclastic flows primarily contain pumice, vesicular pyroclastic material, and ________
A) volcanic mudslides called lahars B) a cloud of low-density hot expanding gases C) low viscosity lava flows D) ultramafic rock debris
________ ________ is industrialization based on the manufacture of products for export
Fill in the blank(s) with correct word