What is not a factor that separates the asthenosphere and the lower mantle into two distinct layers?

A) Temperature
B) Pressure
C) Density
D) Chemical composition


D

Environmental & Atmospheric Sciences

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The sediment deposited by debris-laden melt water is called ________.

A. discharge B. outwash C. pediment D. fluvial E. alluvial

Environmental & Atmospheric Sciences

Which country below does NOT use nuclear power?

A) Australia B) France C) Germany D) Sweden E) United States

Environmental & Atmospheric Sciences

June 21 is an equinox date

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

What happens to pH levels in regions where there is more carbon dioxide present?

A) Carbon dioxide does not heavily impact pH levels. B) The pH levels increase in these regions. C) The pH levels decrease in these regions. D) The seawater is able to buffer enough that there is no change.

Environmental & Atmospheric Sciences