Which of the following heavy metals is/are associated with damage to the human nervous system?
A) radon
B) lead
C) mercury
D) mercury, lead, and radon
E) mercury and lead
E
Environmental & Atmospheric Sciences
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To officially be a hurricane, the disturbance must have rotary circulation and have wind speeds of at least ________ kilometers per hour
A) 161 B) 119 C) 195 D) 92 E) 70
Environmental & Atmospheric Sciences
Which is the last step in formation of a typical landscape?
A. Lithification into sedimentary rocks B. Deposition of sedimentary layers C. Erosion
Environmental & Atmospheric Sciences
The origin of the gases called oxides of nitrogen in the atmosphere begins ____
a. ?in the stratosphere b. ?in the troposphere c. ?in the mesosphere d. ?with precipitation e. ?with ice
Environmental & Atmospheric Sciences
Marble is ____
A)an extremely hard rock B)the result of dynamic metamorphism C)metamorphosed limestone or dolostone D)rarely used for building E)metamorphosed quartz
Environmental & Atmospheric Sciences