The weight of a 10-kg mass at Earth's surface is about
A. 5 N.
B. 1 N.
C. 10 N.
D. 100 N.
Answer: D
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True or False: Oppositely dipping sides of the fold of a rock are called its limbs
Indicate whether this statement is true or false.
Which statement about the danger of volcanoes in the Pacific Northwest is most accurate?
a. ?The Mt. St. Helens eruption of 1980 assures that the volcano will not be a threat for several decades. b. ?Mt. Rainier poses a greater threat than other High Cascades volcanoes due to the large population living at its base. c. ?Mt. Shasta is the most dangerous volcano in the region since it has not erupted in a long time. d. ?Mt. Hood is very close to the Seattle-Tacoma metropolitan area and would destroy much of these cities in an eruption. e. ?Mt. Baker has been the most frequent site of eruptions in the past and therefore is the greatest current danger.
All of the following are standard steps at a coal-fired power plant in the U.S. EXCEPT ________
A) rotation of a turbine B) cooling C) heating D) carbon capture E) pulverization of coal
Agricultural cropland is shrinking worldwide.
Answer the following statement true (T) or false (F)