Three seismograms for a single earthquake with an epicenter in Columbia are shown below. The data are from stations that were at very different distances from the epicenter. Arrows denote arrival of P and S waves. Note: Vertical scales are not all the same. 
Which seismic wave arrived between 11-12 on the bottom seismogram (station ASCN)?
A. P-wave
B. Surface wave
C. S-wave
Answer: B
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Answer the following questions about Palau (Belau) location using the climographs.
(a) Köppen climate type: Letter code: ___________________
Descriptive name: _______________________________
(b) Dominant climate controls for this location:
A weather map from January 1, 2019 at 11Z will show the weather in Boulder at:
a. 11 am local time b. 6 am local time c. 5 pm local time d. 4 am local time
The oozes on the seafloor mostly consist of ____
A) boulders and cobbles from glaciers oozing off the land B) bones and teeth of bottom-dwelling fishes C) fine muds washed down the continental slope to the seafloor D) microscopic hard parts of single-celled living organisms
If you filter sea water to remove all of the particles, you would be left with a clear
A. pure liquid. B. heterogeneous mixture called a solution. C. homogeneous mixture called a suspension. D. homogeneous mixture called a solution. E. heterogeneous mixture called a suspension.