Which of the following would occur during a La Niña event?

A) Trade winds strengthen, causing the waters in the tropical eastern Pacific to become warmer than normal.
B) Trade winds weaken, causing greater upwelling of cold water off the west coast of South America.
C) Trade winds weaken, causing droughts in the United States and Southeast Asia.
D) Trade winds strengthen, causing greater upwelling of cold water off the west coast of South America.


D

Environmental & Atmospheric Sciences

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The processes that reverse the polarity of the magnetic field are likely related to changes in the flow of the iron-rich liquid in the outer core.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

At what depth do gas bubbles have the most effect on magma?

A) When the magma first forms, before the bubbles can dissolve into the magma B) At moderate depths, when the magma is moving rapidly through the conduit C) At very shallow levels, such as within the volcano D) None of these are correct.

Environmental & Atmospheric Sciences

One hypothesis for the Agricultural Revolution is that growing populations forced people to find new food sources, such that they began to sow cereal grains and breed animals

a. True b. False Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

In the state of South Carolina, the geologic conditions have not created deep reservoirs of hot water that can be exploited like they are in Iceland.  In the absence of those deep reservoirs, how can geothermal energy be used in South Carolina?

A. space heating and cooling B. produce electricity C. transportation D. industrial heating

Environmental & Atmospheric Sciences