Which has a higher porosity: sand or sandstone? Why?
What will be an ideal response?
Answer: Sand, because sandstone has been compacted and has cement lining part (or all) of the pore spaces.
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Fly to Point 5 on the west side of the Panamint Range in Panamint Valley, and then to Point 6. Point 5 is near the lowest part of the Panamint Valley playa. Move the cursor around in this area to find the elevation of the lowest part of the playa. Then use the ruler to measure the distance to Point 6 at the southern edge of the playa. Determine the gradient of the playa.
To answer the question, go to the Hess Physical Geography Laboratory Manual, 12th edition, website at www.MasteringGeography.com, then Exercise 45 and select “Exercise 45 Part V Google Earth™” to open a KMZ file in Google Earth, or scan the QR (Quick Response) code for this exercise and view “Exercise 45 Part V Google Earth™ video.” The opening view is looking south down Death Valley in Death Valley National Park, California. The Black Mountains are the lower range to the left (east), and the Panamint Range is the higher range to the right (west). A portion of this area is shown in Map T-10.
What is the relative ratio of height to wavelength in a tsunami?
A) It is extremely high. B) It is incalculable. C) It is extremely low. D) None of these choices
True or False: All volcanic eruptions over the past 10,000 years occurred along or near plate boundaries
Indicate whether this statement is true or false.
During atmospheric convection, rising air bubbles are called ____
A) wind B) vapors C) thermals D) clouds