The longitude reading of a point in Oregon should be entered as a ________ value in a GIS package:
A. negative
B. positive
Answer: A
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Use the wind chill chart in Figure 7.1 to determine the wind chill temperature for each of the following examples:
a) Wind speed: 24 kmph, air temperature: 234°C 5 wind-chill temp: b) Wind speed: 48 kmph, air temperature: 27°C 5 wind-chill temp: c) Wind speed: 8 kmph, air temperature: 1 4°C 5 wind-chill temp: d) Wind speed: 56 kmph, air temperature: 223°C 5 wind-chill temp:
As continents moved northward, prosimians ____
a. became omnivorous b. increased in diversity c. migrated southward to warmer climates d. increased in abundance and diversity e. became more abundant
The lithosphere
A. extends to an average depth of about 300 kilometers. B. is thickest under the continents, thinnest beneath the oceans. C. was discovered by studying the behavior of seismic waves generated by earthquakes. D. is partly molten and plastic in consistency.
97% of Earth’s hydrosphere is made of fresh water.
Indicate whether the statement is true or false.