________ is used in a barometer because ________
A) Water; it is liquid at normal air temperature
B) Water; it is denser than mercury
C) Mercury; it will rise more than water will under the same air pressure
D) Mercury; it is denser than water
D
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What country of South Asia has been one of the most successful in the region in reducing its total fertility rate?
A) Pakistan B) Nepal C) Bangladesh D) Bhutan E) India
Which type of coal has the least amount of moisture and the greatest amount of fixed carbon?
A. peat B. anthracite C. bituminous D. lignite
The concentration of mineral resources and production in a few countries favors the establishment of cartels
Indicate whether the statement is true or false.
Which of the following types of forest management is closest to sustainable forestry principles?
A) Shelter-wood cutting and selective cutting B) Selective cutting and clear-cutting C) Clear-cutting and shelter-wood cutting D) Clear-cutting followed by burning the cut areas