Prior to 1846, what country shared governance of the Oregon Territory with the United States?
A) The French
B) The Russians
C) The British
D) The Spanish
C
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Which of the following describes when homogeneous freezing occurs?
A. when water vapour condenses onto hydrophobic nuclei B. when water vapour condenses without nuclei C. when water vapour condenses onto hygroscopic nuclei D. when all the condensation nuclei are exactly the same
Volcanos have no significant impact on weather and climate
Indicate whether the statement is true or false
Which one of the following statements regarding rock deformation and strength is correct?
a.) Rupture and plastic deformation occur when stresses exceed the elastic limit of a material. b.) Elastic deformation is accomplished through internal flow of material. c.) Rocks undergo plastic deformation less readily as temperatures and pressures increase. d.) When rocks are subjected to stress for long time periods, very small, plastic deformations accumulate to produce large, permanent, elastic deformations.
The lowest level to which a stream can erode is its
A. base level. B. bedrock. C. sediment capacity. D. headwaters.