Describe the endogenic and exogenic processes, including physical and chemical weathering, that produced this volcanic formation.

What will be an ideal response?


Physical weathering and erosion, whereas this is a dry, desert landscape, water is the main erosional agent in episodic patterns of intensity. Chemical weathering occurs as physical elements act on the basalt and break it down.

Environmental & Atmospheric Sciences

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Determine the discharge associated with a gage height of


In general, there is a direct relationship between discharge and width, depth (gage height), and velocity. A stream’s rating curve relates stream discharge to the gage height. Figure 22.1 shows the gage height plotted against discharge. Note that the discharge axis is logarithmic.



6 meters: _____________
9 meters: _____________
12 meters: _____________
15 meters: _____________

Environmental & Atmospheric Sciences

Which has the most potential to cause desertification?

A. overgrazing in Arizona B. pollution of rivers C. road construction in California D. growing corn in Iowa

Environmental & Atmospheric Sciences

Which tree species is most widely used for the purpose of making paper?

A) maple B) cedar C) pine D) redwood E) ash

Environmental & Atmospheric Sciences

Which of the following best explains why there is a difference between a lunar day and a solar day?

A) During one Earth rotation, the Moon has continued orbiting Earth. B) The Moon must rotate an additional 50 minutes to catch up to Earth. C) The solar day and lunar day are measured from different meridians. D) The Sun has a stronger pull on the larger Earth versus the smaller Moon. E) The tide-generating forces of the Sun and Moon are working at right angles.

Environmental & Atmospheric Sciences