Which of the following sedimentary environments would produce the more well-sorted sedimentary rocks?
a. glacial
b. river
c. glacial river
d. beach
d
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Suppose it is snowing outside and the air is saturated. The air temperature and dew point are both -9ºC, and the actual vapour pressure is 3 hPa. If this air is brought indoors and warmed to 24ºC, what would be the relative humidity of this air, assuming that its moisture content does not change? (The saturation vapour pressure at 24ºC is 30 hPa.)
A. 50% B. 5% C. 10% D. 30%
An igneous rock that cools rapidly is likely to have ________ crystals
A) small B) medium-sized C) large D) pink
True north is a fixed geographic point?
Indicate whether the statement is true or false
The size of clasts that a stream can carry is primarily controlled by
A. the velocity and turbulence of the current. B. how close the stream is to the ocean. C. the dissolved and suspended load of a stream. D. the water temperature. E. whether it is a permanent or ephemeral stream.