Where is the center of gravity in a triangle?
A) at the top
B) half-way up from the base
C) one-third up from the base
D) on the base
C
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Referring to the diagram, sunlight energy is added at equal rates to soil and water. Which of the following factors contributes to the different temperatures of the two surfaces?
A. angle of the sun on the horizon B. heat capacity C. composition of the overlying atmosphere D. time of the year
During the early 20th century movie executives were attracted to southern California because ________
Fill in the blank(s) with correct word
Today, the United States leads the world in estimated coal reserves
Indicate whether the statement is true or false
You live in a seismically active area and there are steep mountain slopes that show evidence of past large landslides. A geologist uses radiocarbon dating and determines that all of the landslides are 1000 +/- 5 years old
He also determines that there is an active fault in the area that moved in the last 1000-2000 years but he can't date it precisely. Which of the following is a reasonable conclusion? A) There must have been a major drought 1000 years ago that triggered the landslides. B) Radiocarbon dating is not a good dating technique or it could separate the ages of the slides. C) There was probably an earthquake ~1000 years ago. D) There must have been people in the area 1000 years ago, and they cut down the trees that were dated for determining the age of the landslide.