What type of feedback maintains stability in a system; i.e., what type of feedback keeps a system functioning properly by discouraging change?

A) tipping point
B) neutral
C) threshold
D) positive
E) negative


E

Environmental & Atmospheric Sciences

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The plantations in colonial Northeastern Brazil produced

A. coffee B. sugar C. coconuts D. rubber

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Which of the following is characterized by the longest wavelengths?

A) X-rays B) gamma rays C) visible D) thermal infrared E) radio waves

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The great circulations in the ocean basins occur around the ________ pressure systems and are known as ________

A) subpolar low; gyres B) subtropical high; ocean streams C) subpolar low; ocean streams D) subtropical high; gyres

Environmental & Atmospheric Sciences

Many of the United States' and world record rainfalls in the 1- to 24-hour range were established during thunderstorms in ________.

A. Ohio B. Florida C. Indiana D. Illinois E. Texas

Environmental & Atmospheric Sciences