Which of the following reasons explain why mafic lavas tend to erupt mildly?
a. Because it contains less silica bonds (so lower viscosity)
b. Because gases easily escapes
c. Because it contains high silica bonds
d. Both b and c
e. Both a and b
Answer: e. Both a and b
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Indicate whether the statement is true or false.
The daily mean temperature shown in the figure (according to the standard meteorological definition) is [INSERT FIGURE 3-28. NO CAPTION]
A) 22 oC B) 20 oC C) 15 oC D) 18 oC
Where does the Coriolis effect have the greatest impact?
a. at the equator b. at the Tropic of Capricorn and the Tropic of Cancer c. at thepoles d. at 45 degrees latitude in each hemisphere e. in the Northern Hemisphere
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Answer the following statement true (T) or false (F)