Which of the following terms refers to a relatively narrow downburst, one that is less than 4 km wide?

A. funnel cloud
B. rain shaft
C. narrow burst
D. microburst


Answer: D

Environmental & Atmospheric Sciences

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Which statement best describes how patterns in ocean floor heat flow from a mid-ocean ridge vary as one moves away from the ridge in any direction? Which statement best describes how patterns in ocean floor heat flow from a mid-ocean ridge vary as one moves away from the ridge in any direction?

  • Heat flow decreases
  • Heat flow stays essentially the same
  • Heat flow increases

Environmental & Atmospheric Sciences

Why is the density of air greatest near sea level?

A) The force of gravity on air is greatest at Earth's surface. B) Air is compressible. C) Air pressure is at a minimum near Earth's surface. D) Air is warmest near sea level.

Environmental & Atmospheric Sciences

Because shales are easily eroded, the areas where they are exposed typically

A. are covered in angular boulders and cobbles. B. form steep cliffs. C. have soft slopes and soil cover.

Environmental & Atmospheric Sciences

Which of the following is used in diagnosing infectious hepatitis?

A) ALT B) CPK C) LDH D) PHI

Environmental & Atmospheric Sciences