If the dry-bulb temperature is 90°F and the wet-bulb temperature is 79°F, What is the relative humidity?
Using the psychrometer tables and the table of saturation mixing ratios, answer the question about determining relative humidity with a sling psychrometer.
What will be an ideal response?
__________ %
61 %
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Celebrities rely on agglomeration economies to increase their symbolic capital
Indicate whether this statement is true or false.
The world system's autarkic countries include
A) Bolivia, Burkina Faso, Ghana, Malawi, Samoa and Tanzania. B) Slovakia, Romania, Bulgaria, Latvia, Slovenia and Yugoslavia. C) Canada, Finland, Russia, South Africa, Australia and New Zealand. D) China, Brazil, South Korea, Mexico, Taiwan, India and Argentina. E) Amsterdam, New York, Tokyo, London, Moscow and Beijing.
The main cause of caldera collapse is
A) a fissure eruption that allows the shield volcano to split into two or more parts. B) collapse of the north flank by landslides. C) removal of magmas that form pillow basalt. D) collapse of the roof of a magma chamber as magma erupts. E) All of these are correct.
Which option correctly describes an effect of human activity on a river channel?
A) If logging and clearing have increased the sediment load, the channel may fill and the banks may become higher. B) If logging and clearing have increased the amount of runoff, the channel may fill and the banks may become higher. C) If agriculture and building have decreased the amount of runoff, the channel may erode further and the banks will become lower. D) If agriculture and building have increased the sediment load, the channel may erode further and the banks will become lower.