The most violent volcanic eruptions are found at ________
a. convergent plate boundaries
b. divergent plate boundaries
c. transform plate boundaries
d. hot spots
a
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Discuss the monsoon climates of Southeast Asia.
What will be an ideal response?
During the summer along the coast, a sea breeze is usually strongest and best developed ____
A) in the afternoon B) just after sunrise C) around midnight D) just before noon
Savannas differ from grasslands by having
A. lower average annual temperature. B. a period of the year with heavy rain followed by a lack of rainfall. C. no grazers. D. less annual precipitation.
A certain carboxylic acid has a Ka of 5.1 x 10^-7. What is the ratio of the ratio of the deprotonated to the protonated form, respectively, at physiological pH of about 7.4? Assume the following general reaction. HA(aq) + H2O(l) ? H3O+(aq) + A-(aq)
A) 13 : 1 B) 1 :13 C) 100 : 1 D) 1 : 100