Which of the following lava compositions has the greatest viscosity?
A) ultramafic
B) mafic
C) intermediate
D) felsic
Answer: D
Environmental & Atmospheric Sciences
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In the United States, the percentage of the population living in urban areas peaked around 1920
Indicate whether this statement is true or false.
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What is considered to be the densest type of crust?
a. Basalt b. Continental crust c. Granite d. Andesite
Environmental & Atmospheric Sciences
Which side of this molecule has a negative charge?
A. 1 B. 2 C. 3 D. All of these choices are correct. E. None of these choices are correct.
Environmental & Atmospheric Sciences
Approximately what percentage of invading bacteria and foreign bodies are filtered out in the lymph nodes?
A) 50% B) 90% C) 95% D) 99%
Environmental & Atmospheric Sciences