When a magnet is thrust into a coil of wire, the coil tends to
A) attract the magnet as it enters.
B) repel the magnet as it enters.
C) both A and B
D) neither A nor B
B
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What is the primary cause of oxygen depletion in the disphotic zone?
a. photosynthesis b. chemosynthesis c. primary production d. buffering reactions e. heterotrophic respiration
The Charney effect refers to the relationship of _______. The effect was named after Jules Charney who documented the relationship in the early 1970s
a. fewer plants resulted in a higher albedo, thus lowering humidity and local precipitation b. fewer plants resulted in a lower albedo, thus lowering humidity and local precipitation c. dry conditions and drought actually made it easier to till and plant the soil d. dry conditions and drought actually led to more food per capita as people left the Sahel region
Rounding is
A. a type of mineral B. the rounding of a grain to a spherical shape C. the grinding away of sharp edges and corners of rock fragments during transportation D. None of these choices are correct.
The first step in most restoration efforts is to remove the cause of degradation or habitat loss.
Answer the following statement true (T) or false (F)