What is NOT an aspect of the theory of plate tectonics?

A. Seafloor spreading results from rising magma.
B. Midocean ridges have the newest-formed crust.
C. Subduction zones are where crust is re-melted.
D. Deep ocean trenches are tectonically inactive.
E. Earthquakes match oceanic trenches and ridges.


D

Environmental & Atmospheric Sciences

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Which of the following pairs of events appear to be linked?

A. increased atmospheric carbon dioxide and low pH in the ocean B. increased atmospheric carbon dioxide and increased temperature of Earth C. melting glaciers and increased sea level D. All of these statements show logical linkage.

Environmental & Atmospheric Sciences

Societies with the bulk of their employment in the primary sector are called pre-industrial

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

How is the ocean a reservoir for carbon? How is the carbon dioxide able to re-enter oceanic and

atmospheric cycles? What will be an ideal response?

Environmental & Atmospheric Sciences

What type of region would the countries of Europe be classified as?

a. vernacular b. formal c. functional d. nodal e. perceptual

Environmental & Atmospheric Sciences