Antarctic bottom water is formed by the sinking of very cold, dense surface water. What process is primarily responsible for this increase in density? O freezing of sea ice O melting of sea ice increase in precipitation increase in evaporation

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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**Formation of Antarctic Bottom Water**

Antarctic bottom water is formed by the sinking of very cold, dense surface water. What process is primarily responsible for this increase in density?

- ○ Freezing of sea ice
- ○ Melting of sea ice
- ● Increase in precipitation
- ○ Increase in evaporation

Explanation:

This multiple-choice question explores the formation of Antarctic bottom water which is associated with the density increase in seawater due to certain processes. As illustrated, the correct answer that primarily contributes to this increased density is an "increase in precipitation."

It is important to note that both freezing and melting of sea ice play significant roles in modulating sea water density in the polar regions, but the given selection highlights the other mechanisms involved as well.
Transcribed Image Text:**Formation of Antarctic Bottom Water** Antarctic bottom water is formed by the sinking of very cold, dense surface water. What process is primarily responsible for this increase in density? - ○ Freezing of sea ice - ○ Melting of sea ice - ● Increase in precipitation - ○ Increase in evaporation Explanation: This multiple-choice question explores the formation of Antarctic bottom water which is associated with the density increase in seawater due to certain processes. As illustrated, the correct answer that primarily contributes to this increased density is an "increase in precipitation." It is important to note that both freezing and melting of sea ice play significant roles in modulating sea water density in the polar regions, but the given selection highlights the other mechanisms involved as well.
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