The current conditions in your location are sunny with a temperature of 85°F. Based on these observations, you forecast that in a few hours, it will be sunny with a temperature in the mid 80s. What kind of forecast have you issued?
A) a numerical forecast B) an analog forecast
C) a persistence forecast D) a statistical forecast
C
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Which of the following describes the state of the atmosphere when the upward-directed pressure gradient force is in balance with the downward pull of gravity?
A. unstable equilibrium B. isobaric balance C. hydrostatic equilibrium D. geostrophic balance
The dead zone in the Gulf of Mexico is primarily the result of
A) nonpoint sources of pollutants. B) point sources of pollutants. C) a natural cycle related to cold ocean currents. D) industrial pollution by oil refineries in the New Orleans region.
Given that in stable diols the two hydroxyl groups are not attached to the same carbon atom, which of the following is the molecular formula of a stable diol in which both alcohol functional groups are tertiary?
A) C3H8O2 B) C4H10O2 C) C5H12O2 D) C6H14O2
Resistance to mass wasting is often associated with:
a. earthquakes. b. steep slopes. c. friction. d. volcanic eruptions. e. debris.