Which of the following pieces of evidence supports the plate tectonic theory?
a. The polar wandering paths of Europe show that the magnetic north pole has migrated from near Hawaii to its current position over the Arctic Ocean.
b. The stripe patterns of high- and low-intensity magnetism are the same on both sides of an oceanic ridge.
c. The volcanic islands that make up the Hawaiian Island chain are all the same age.
d. The seafloor is oldest at the ridge crest.
e. Ocean-floor sediments are thickest at the ridge crest.
b. The stripe patterns of high- and low-intensity magnetism are the same on both sides of an oceanic ridge.
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This globe from the atmospheric moisture investigation shows specific humidity, with blue and green being highest. What is a possible explanation for why specific humidity values are relatively low in the ocean adjacent to the western coast of southern Africa?
A) The ITCZ shifts position with season
B) The presence of a cold ocean current
C) The westerlies blow from north to south in this area
D) The westerlies blow south to north in this area
Which field was the control group?
A) The west field was the control group. B) The east field was the control group. C) Both fields were controls for one another. D) There were no controls in this experiment.
The largest city in the "Inland Empire", which includes eastern Washington and Northern Idaho, is what?
A) Boise B) Spokane C) Tri-Cities D) Coeur d'Alene
Nationalists, Communists, and Japan conducted a three-way war over the control of China.
a. true b. false