Which of the following statements describes a cold front?
A. It marks the position of a trough of high pressure.
B. It has warm air behind it.
C. It marks a zone of shifting winds.
D. It is coloured purple on a weather map.
Answer: C
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Diagenesis transform sediments into sedimentary rocks. What kind of changes can occur in Diagenesis?
a. Chemical changes b. Physical Changes c. Biological Changes d. Ecological Changes e. All of the above except d
Flood basalts from the ____________________ ____________________ could have depleted ozone levels and
contributed to the Permian mass extinction. Fill in the blank(s) with the appropriate word(s).
Most of the world's ocean coasts have a(n) _____ tidal pattern
a. diurnal b. mixed c. semidiurnal mixeddiurnal mixed d. diurnal mixed e. semidiurnal
What type of slope failure is shown in this figure?
A. debris flow B. rock fall C. creep D. rock avalanche E. rotational slide