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Author Question: The Hawai'ian Islands were formed as a result of A) a rising plume of magma from the mantle. B) ... (Read 82 times)

khang

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on: Jul 14, 2018
The Hawai'ian Islands were formed as a result of
 
  A) a rising plume of magma from the mantle.
  B) an oceanic-oceanic plate collision.
  C) a continental-oceanic plate collision.
  D) activity along a mid-ocean ridge.

Question 2

What is atmospheric stability? What are adiabatic processes and how they are related to atmospheric stability?
 
  What will be an ideal response?


Dominic

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Reply #1 on: Jul 14, 2018
Answer to Question 1

A

Answer to Question 2

Stability is the tendency of an air parcel to either remain in place or to change vertical position by ascending or descending. An air parcel is stable if it resists displacement or returns to its starting place after disturbance. The stability of an air parcel depends on the temperature inside the parcel and the temperature of the surrounding air. As air ascends, it is cooled by expansion and as it descends, it is heated by compression. These cooling and heating mechanisms are adiabatic, that is occurring without a loss of gain of heat (heat exchange between the surrounding environment and the ascending or descending parcel).


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