Vitamin A deficiencies

A. are rarely detected, as they have no immediate effects.
B. can cause blindness.
C. are no longer common.


Answer: B

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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Isotherms indicate ____

a. areas of equal temperature b. areas of equal pressure c. areas of equal volume d. areas of equal elevation e. areas of equal water vapor

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The only requirement for a thunderstorm is

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