Soil structure is usually determined by clumps called ________

A) colloids
B) peds
C) loam
D) solum
E) catenas


Answer: B

Environmental & Atmospheric Sciences

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The Superfund Act

A. was not established until 2006. B. avoids establishing liability. C. funds the remediation of abandoned toxic sites. D. None of these choices are correct

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A sediment layer in which grain size decreases from the bottom up:

a. graded bedding d. drift b. mud cracks e. till c. bioturbation

Environmental & Atmospheric Sciences

Paleoceanography analyzes layered sedimentary deposits to trace distinctive layers while establishing

the ages of these deposits. Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Which of the following is not observed routinely and plotted on weather maps?

A) wind speed and direction B) pressure C) temperature D) density E) humidity

Environmental & Atmospheric Sciences