The tsunami warning system in the region of the 2004 tsunami
A) failed
B) did not exist
C) saved many lives
D) gave inaccurate information
B
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Which of the following increases as an area undergoes ever-widening urban sprawl?
A. air contaminants B. water quality C. ecosystem services D. wildlife habitats
The Arab Spring resulted in a massive drop in the number of forced migrants and refugees around the world since 2011
Indicate whether this statement is true or false.
Consider a steep highway cut made by removing slightly weathered to fresh, fractured, granite bedrock. Which of the following situations is most stable against rockslides?
A. one set of widely spaced, sub-horizontal fractures B. two sets of fractures, one widely spaced and sub-horizontal, the other inclined away from the highway cut C. one set of widely spaced fractures inclined towards the road cut D. two sets of fractures, one inclined toward the road cut and the other away
Which of the following is not an isomer of ethyl acetate?
A) methyl propanoate B) propyl formate C) butanoic acid D) None, they are all isomers of ethyl acetate.