Radiative forcing (climate forcing) refers to
A) the amount by which some perturbation causes Earth's energy balance to deviate from zero.
B) the power of electromagnetic radiation per unit area.
C) the length of time a greenhouse gas, on average, resides in the atmosphere.
D) the contribution of each greenhouse gas to global warming.
E) a measurement of solar radiation energy received on a give surface area.
A
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Water that is used to produce consumable items but not consumed directly is called ____________________.
Fill in the blank(s) with the appropriate word(s).
The largest earthquakes occur in ____
a. ?divergent zones b. ?rift zones c. ?sand boils d. ?subduction zones e. ?intraplate zones
An altitudinal community assemblage at a given latitude is often similar to an assemblage that covers a certain range of latitude
Indicate whether the statement is true or false
Which of these actually kills trees in areas with acid deposition?
A. insect attacks B. reduced nutrient and water uptake C. root damage D. direct damage to foliage