Regime Shift
What will be an ideal response?
A fundamental shift in the overall character of an ecological community, generally occurring after some extreme disturbance, and after which the community may not return to its original state. Also known as a phase shift.
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Acid precipitation ________
A) that measures pH = 4 is twice as acidic as precipitation that measures pH = 5 B) has a pH higher than 7 C) has a low concentration of hydrogen ions D) has a pH lower than pure water
Which process of heat transfer is displayed by the circulation of boiling water?
a. radiation b. convection c. conduction d. advection
The North Atlantic gyre is composed of the Gulf Stream, the North Atlantic Current, the Canary Current, and the North Equatorial Current
Indicate whether the statement is true or false
In the R,S system, which of the following groups has highest priority?
A) alkyl B) amino C) hydroxyl D) thiol