Biology Forums - Study Force

What is dispersion?

Question 2

An astronaut walking in space at an altitude of 300 km and properly shielded from the sun would feel cold when the temperature is 500C as a result of ____.
 A) high air density
  B) low air density
  C) high air pressure
  D) temperature inversion

Question 3

The main feature distinguishing a hurricane from an ordinary tropical storm is that ____.
 A) hurricanes are larger
  B) tropical storms are more than 500 miles from the U.S. mainland
  C) winds speeds are greater in a hurricane
  D) hurricanes have a clearly defined eye on satellite photographs

Question 4

Why does the sun and moon both appear to be higher than they really are along the horizon?

Question 5

Which condition would be equivalent to an air temperature of 45F, a wind speed of 30 mi/hr, and a wind-chill equivalent temperature of 15F?
 A) a 15F air temperature and 0 mi/hr winds
  B) a 30F air temperature and 45 mi/hr winds
  C) a 30F air temperature and 15 mi/hr winds
  D) a 15F air temperature and 30 mi/hr winds

Question 6

Just before a storm is classified as a fully developed hurricane, it is in the tropical ____ stage.
 A) depression
  B) disturbance
  C) storm
  D) cyclone

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