Biology Forums - Study Force

Stable atmospheric conditions usually result in good visibility.
  Indicate whether the statement is true or false

Question 2

Climate scientists have concluded that most of the recent warming of Earth is due to ____.
 A) landmasses concentrated in middle and high latitudes form more ice sheets
  B) an enhanced greenhouse effect caused by increasing levels of greenhouse gases, such as CO2
  C) an increase in volcanic activity that vents massive quantities of CO2 into the atmosphere
  D) variations in the shape of Earth's orbit affects the amount of solar energy received by Earth

Question 3

Which structure or substance has a higher albedo than thin clouds?
 A) the moon
  B) snow
  C) ice
  D) water

Question 4

For a surface storm system to intensify, the upper trough of low pressure must be located to the ____ of the surface low.
 A) north
  B) south
  C) east
  D) west

Question 5

Throughout much of Earth's history, the global climate was probably ____.
 A) warmer than it is today
  B) colder than it is today
  C) about the same temperature as it is today
  D) more variable than it is today

Question 6

Earth emits infrared radiation ____.
 A) only at night
  B) only during the day
  C) at variable times
  D) continuously

Question 7

For a surface low to develop into a major storm system, the upper-level divergence of air must be ____ surface convergence of air.
 A) greater than
  B) less than
  C) equal to
  D) the same as

Question 8

An increase in atmospheric CO2 concentrations will most likely lead to ____ in the troposphere and ____ in the upper atmosphere.
 A) warming; warming
  B) cooling; warming
  C) warming; cooling
  D) cooling; cooling

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