Which principle is a geologist applying when deciding that a fossil in a mud layer is older than a fossil in a sandstone layer above it?

A) the principle of inclusions
B) the principle of superposition
C) the principle of cross-cutting relationships
D) the principle of original horizontality


Answer: B

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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Indicate whether the statement is true or false

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In which mainland nation of Southeast Asia has coffee become a growing export commodity?

A) Vietnam B) Cambodia C) Burma D) Laos E) Thailand

Environmental & Atmospheric Sciences