What were the most successful type of Paleozoic plants?
a. cordaites
b. lycopsids
c. gymnosperms
d. sphenopsids
e. seedless vascular plants
c
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In the United States, dryline thunderstorms are most common in ____
A) the Rocky Mountains B) the desert southwest C) the Great Plains D) California
The cooling of rising air is due to a decrease in
A) pressure. B) temperature. C) motion. D) volume.
Which of the following statements about monoculture farming is true?
A) Monoculture farming is an agricultural practice that increases a crop's susceptibility to insect pests. B) Monoculture farming prohibits the use of crops that have been genetically modified. C) Because of the risk of environmental degradation, monoculture farming is illegal in the United States. D) Monoculture farming prohibits the use of synthetic fertilizers and pesticides.
Which of the following is not a correct IUPAC name for an alkene?
A) 2-methyl-1-butene B) 2-methyl-2-butene C) 3-methyl-1-butene D) None, these are all correct IUPAC names.