Explain the difference between a network and a line shapefile.
What will be an ideal response?
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Most volcanoes along the Ring of Fire are made from ________
A) subducting ocean crust B) subducting continental crust C) hot-spot volcanism D) decompression melting
Tropical climates are typically located
A) almost exclusively at high altitudes due to closer proximity to the sun. B) primarily in areas associated with cold ocean currents. C) at higher latitudes influenced by continental tropical air masses. D) at all areas of the Earth influenced by a subtropical high pressure system. E) straddling the equator between 20° N/S.
If lungfishes and salamanders are more closely related to each other than either is to salmon, then an evolutionary classification should classify
A. lungfishes and salmon together to the exclusion of salamanders. B. lungfishes and salamanders together to the exclusion of salmon. C. salamanders and salmon together to the exclusion of lungfishes. D. Any of the above would work as evolutionary classifications.
The residence time of one molecule of water in the ocean is ________.
A. 3 years B. 3,000 years C. 30 years D. 300 years