A positive feedback mechanism ____
A) acts to reinforce an initial change
B) acts to weaken or oppose an initial change
C) will cause a positive change
D) will cause a negative change
A
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The annual pattern of global precipitation
A) decreases poleward, inland, and downwind from major mountain ranges. B) increases poleward, inland, and downwind from major mountain ranges. C) decreases poleward, inland, and upwind of major mountain ranges. D) increases poleward, inland, and upwind of major mountain ranges.
Dew is likely to form at the end of a clear, calm night
Indicate whether the statement is true or false
Cumulonimbus clouds are thunderstorm clouds
Indicate whether the statement is true or false
Which of the following pairs lists an r-selected organism followed by a K-selected organism?
A) grasshopper; whale B) elephant; pine tree C) elephant; whale D) pine tree; dandelion E) dandelion; pine tree