The red color in red rocks usually indicates the presence of ____
a. magnesium
b. carbon
c. silica
d. fossilized blood
e. iron
Answer: e. iron
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Which of the following cloud types is a grey sheet-like cloud layer through which a dim, "watery" sun is visible?
A. cirrostratus B. stratocumulus C. altostratus D. cumulonimbus
Compare and contrast lithostratigraphic, biostratigraphic, time-stratigraphic, and time units
Discuss time-transgressive lithostratigraphic units. Discuss correlation of different types of units. What will be an ideal response?
If an earthquake occurred near the oceanic trench in this figure, which one of the following hazards is likely to threaten the town of Mesaview?
A) Ground shaking
B) Liquefaction of soils and other weak materials because of shaking
C) Landslides and other slope failures caused by shaking
D) Destruction by a tsunami
To see a sundog at sunrise, you should look toward the ____
A) north B) south C) east D) west