Where is the highest rate of heat flow escaping the Earth's interior?
A) At mid-ocean ridges
B) At subduction zones
C) At volcanoes
D) At mountain ranges
Answer: A
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In the hierarchical system of classification, species are defined as ________
A) a major subdivision of an order containing one or more genera and their subgroups B) a major subdivision of a family containing one or more related groups C) a major subdivision of a phylum or a division containing one or more orders of their subgroup D) an overall category containing organisms that share very similar fundamental structures and functions E) a group of individuals that are able to interbreed with one another, producing fertile offspring
The longer a soil has been forming, the ________ it becomes and the ________ it resembles the parent material
A) thinner; less B) thinner; more C) thicker; more D) thicker; less
This instrument uses wet-bulb and dry-bulb temperature to obtain relative humidity:
a. infrared hygrometer b. sling psychrometer c. hair hygrometer d. electrical hygrometer e. mechanical hygrometer
Evaporation and transpiration from continental areas amount to only about ____ percent of the nearly 1.5 billion gallons of water vapor that annually evaporate into the atmosphere.?
a. ?15 b. ?20 c. ?25 d. ?30 e. ?35