The minerals gold, silver and mercury are often found in ________
A) hydrothermal veins B) the lower parts of an intrusion
C) alteration of limestone D) disseminated deposits
A
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The United States was the first country to ratify the 1992 Biodiversity Convention
Indicate whether the statement is true or false.
Which of the following best illustrates the connection between climate and geologic processes?
A) Water coming off a cooling magma emplaces metallic ores B) Hydrothermal vents near a mid-ocean rift create chimneys of mineral deposits C) Heavy rainfalls trigger debris flows D) Arid climates make sea level drop
Photochemical smog differs from industrial smog in that it ________
A) is an unhealthy mixture of pollutants B) is primarily composed of carbon monoxide C) consists of primary pollutants D) is formed only in the presence of sunlight E) has large quantities of soot
For the geographer, new mapping tools like remote sensing, GPS, and GIS are best viewed as ________
A) replacements for traditional geographic description B) in the test mode and too expensive for most geographers to use C) adjuncts to field study D) aids in the study of small areas E) too difficult for geographers to use