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GEO313 - Practice Questions

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Questions and Answers

Which of the following is correctly matched?

Steady state equilibrium - small fluctuations about an average condition (correct)

Dynamic equilibrium - large fluctuations that change abruptly over time.

Tipping point - same as steady state equilibrium.

Threshold - balance of inputs and outputs.

What type of feedback maintains stability in a system; i.e., what type of feedback keeps a system functioning properly?

Dynamic

Negative (correct)

Positive

Neutral

Which of the following statements lists a fact about ozone?

Tropospheric ozone is a component of photochemical smog. (correct)

Stratospheric ozone emits harmful radiation.

Ozone in the stratosphere leads to global warming.

What does the term "net radiation" refer to?

The difference between the amount of incoming and outgoing radiation. Signup and view all the answers

What is the uneven distribution of insolation by latitude primarily a result of?

The curvature of the Earth, which presents varied angles to parallel solar rays. Signup and view all the answers

Which is true regarding the dominant wavelength of energy emitted by the Sun?

It is shorter than that emitted by Earth. Signup and view all the answers

As arctic temperatures rise, summer sea ice and glacial melt accelerates; lighter color surfaces are thereby replaced with darker-colored surfaces leading to more absorption and surface heating. What type of feedback is this an example of?

Positive. Signup and view all the answers

Which of the following is true of models?

They are simplified, idealized representations of the real world. Signup and view all the answers

Which of the following is correct regarding lapse rates in the troposphere?

The environmental lapse rate refers to the actual lapse rate at any particular time and may differ substantially from the normal lapse rate. Signup and view all the answers

What type of system is Earth with respect to: matter and resources; energy?

Closed; open Signup and view all the answers