Gravel beaches are found on coasts with low wave energy.
Answer the following statement true (T) or false (F)
False
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On the topographic map in Figure 43-3, determine the extent of inundation for the 20-year flood along Cache Creek that you calculated in problem 8:
(a) Convert your flood level height in problem 8 from meters to feet (the measurement units used on the map): Water height of 20-year flood: _______ feet (b) Using a blue pencil, shade in the extent of the 20-flood on the map. Note that elevation of the stream gage is 1534 feet and that dashed lines are 20-foot contours.
When we breathe we inhale oxygen, O2, and exhale carbon dioxide, CO2, plus water vapor, H2O. Which likely has more mass, the air that we inhale or the same volume of air we exhale? Does breathing cause you to lose or gain weight?
A) The air we inhale has more mass; breathing causes you to lose weight. B) The air we exhale has more mass; breathing causes you to lose weight. C) The air we inhale has more mass; breathing causes you to gain weight. D) The air we exhale has more mass; breathing causes you to gain weight.
The white granite of the Idaho Batholith near Boise, Idaho, contains dark gray xenoliths of metamorphic material. Which is older? How do you know?
A) Granite; the principle of superposition B) Xenoliths; the principle of cross-cutting relations C) Granite; the principle of unconformities D) Xenoliths; the principle of inclusions
An erosional bedrock surface of low relief that slopes gently away from a mountain base is a(n):
a. alluvium. b. bajada. c. playa. d. plain. e. pediment.