Examine the photo at the beginning of this chapter. Describe the natural and human-created features visible in the photo and relate them to stream processes
What will be an ideal response?
The stream has a natural, curving channel pattern with in-channel bars that describe it as a braided river. A natural floodplain is recognized by the vegetated and apparently uninhabited areas immediately adjacent to the channel. Stream canyons are visible in the mountains in the background, along with some alluvial fans along the base of the mountains. The area mostly looks like a dry desert except for the farm fields near the river. These fields show the human impact of diverting river water for irrigation; an unnaturally straight irrigation channel runs along the right side of the floodplain.
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Which of these is common to both cold and warm fronts?
A) lifting of warm air over cold B) light to calm winds C) decreasing precipitation rates D) divergence of surface winds E) steady barometer readings
The unit 1 ppm is equivalent to which of the following?
A) 1000 ppb B) 0.0001% C) both a and b D) neither a nor b
Prenylation of a protein results in which of the following?
A) the protein becomes more hydrophilic B) the protein becomes more hydrophobic C) protein synthesis is accelerated D) protein synthesis ceases
Which current moves warm water to colder latitudes?
A. Kuroshio B. Agulhas C. Gulf Stream D. None of these is correct. E. All of these are correct.