What is the osmolarity of a 3.3%(w/v) Na3PO4 solution?
A) 0.20 osmolar
B) 0.40 osmolar
C) 0.80 osmolar
D) 1.6 osmolar
C
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On average, what is the time interval that a great earthquake triggers a horrific calamity?
a. Roughly one hundred years b. Every 50 years c. Every 5 to 20 years d. Once a year
Any lake that formed in nonglaciated areas during the Pleistocene, as a result of increased precipitation and reduced evaporation rates during that time, is a(n) ____.?
a. pluvial lake b. alluvial fan c. proglacial lake e. outwash d. cirque
Fluvial is a term referring to
a. glaciers and glacial deposits. b. waves and wave deposits. c. turbidity currents and turbidites. d. river activity and river deposits. e. chemical processes and evaporites.
The growing human population
A) is best addressed by the conversion of ecosystems to more direct human uses. B) requires the restoration of ecosystems better designed to serve the needs of humans. C) will increase the need for ecosystem services. D) will require an increase in forests and a decrease in agricultural land.