El Niño is a recurring weather phenomenon that ____
a. increases global warming
b. stabilizes world climates
c. produces a fluctuation in global weather
d. depletes the ozone layer
e. increases oceanic productivity
ANSWER: c
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An anabolic reaction decreases entropy within the system because the reaction results in a more ordered macromolecule
A. true B. false
What interests you most about the ocean and its inhabitants?
1.effects on global climate 2.productivity/ food source 3.scientific research 4.recreation
The E horizon of soils is characterized by the maximum amount of
A) biological activity. B) decomposition. C) leaching of mineral particles. D) accumulation of leached mineral particles.
Which of the following represents an early stage in primary succession?
A. Pine trees B. Moss and lichens on bare rock C. Weedy annual plants in an open field D. Climax species in succession E. Alder, cottonwood, and willow thickets