When nitrogen oxides and sulfur dioxide combine with water vapor in the air, they are converted to nitric acid and sulfuric acid, respectively. This precipitation that then falls to the Earth is known as
A) decomposition acid.
B) acid fog.
C) acid deposition.
D) acid precipitation.
E) nitrogen precipitation.
C
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How does the fossil record corroborate phylogenetic history?
A. The timing of evolutionary events in the fossil record is not consistent with the branching order of a phylogenetic tree. B. Events in the fossil record occur randomly throughout a phylogenetic tree, so the two are not related to one another. C. Events that occur early in the fossil record are represented by branching events nearer to the root of a phylogenetic tree. D. Events that occur early in the fossil record are represented by branching events nearer to the tips of a phylogenetic tree. E. Fossil record events are too old to be represented on phylogenetic trees, which reconstruct the more recent past.
An example of an osmoconformer is:
a. a crab. b. a polychaete worm. c. a fish. d. a sea squirt (tunicate).
Gnetophytes are different from other gymnosperms in that gnetophytes have vessel elements
____________________ Indicate whether the statement is true or false.
How are binary fission and mitosis different?
a. Binary fission is found in eukaryotes, while mitosis is not. b. Mitosis helps an organism to grow, while binary fission does not. c. Mitosis does not occur in phases, while binary fission does. d. Binary fission helps an organism to grow, while mitosis does not.