Visible light is comprised of ________ electromagnetic wavelengths
A) all
B) no
C) the shortest
D) the longest
E) a relatively small span of
Answer: E
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Drop a rock from a 5-m height and it accelerates at 10 m/s2 and strikes the ground 1 s later. Drop the same rock from a height of 2.5 m and its acceleration of fall is
A) about half. B) the same. C) twice as much.
What are alluvial fans, and why are they common in desert mountain ranges? What will be an ideal response?
Use the following information to answer the following question. There are two main approaches to reducing the risk from landslides: hard and soft. Hard approaches involve construction of retaining walls, slope reduction, and drainage improvements. Soft approaches include zoning restrictions and land use regulations. Read the following mass wasting scenarios to determine if the event involved hard, soft, or both approaches.A homeowner has the foundation of his house reinforced to lessen the effects of liquefaction.
A. Hard B. Soft C. Both
French Polynesians favor continued rule by the French, as the island relies on military revenue from France
a. True b. False Indicate whether the statement is true or false