What evidence made scientists hypothesize that dust contained calcium?
A) crystals found high on ridges
B) limestone formations on prairies
C) the color of dust on windswept plateaus
D) dissolved calcite in the ground
Answer: D
Environmental & Atmospheric Sciences
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Earthquakes result from the sudden release of elastic strain energy previously stored in rocks surrounding a zone of fault movement.
a. true b. false
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What is not a factor on the salinity of a particular region of ocean?
a. Evaporation b. Precipitation c. Freshwater run-off from the continents d. Saturation levels
Environmental & Atmospheric Sciences
Describe what a drought is. What was the "Dust Bowl" of the United States and how was it created?
Environmental & Atmospheric Sciences
What type of cloud that has a thin wispy appearance, consists of ice crystals, and often precedes a warm front?
A) cirrus B) stratocumulus C) cumulonimbus D) altostratus
Environmental & Atmospheric Sciences