Which of the following is a compound?

A) O3
B) H2
C) O2
D) H2O

D) H2O

Environmental & Atmospheric Sciences

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________ are endotherms, and ________ are ectotherms.

A. Birds; lizards B. Birds; mammals C. Lizards; mammals D. Mammals; birds

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Environmental & Atmospheric Sciences

The East African Rift is an example of a _________ plate boundary

a. convergent b. divergent c. transform

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Environmental & Atmospheric Sciences

The predominant mineral resources used by modern society are metals

Indicate whether the statement is true or false

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Environmental & Atmospheric Sciences

Most caverns are created at or near the water table

Indicate whether this statement is true or false.

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Environmental & Atmospheric Sciences