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unit 2 - pretest
which of the following statements explains the position of those who oppose expanding nuclear power plants in the united states?
a
the disposal of used nuclear fuel rods and the security of the plants themselves is of concern.
b. nuclear energy is an unclean energy source and would only increase air pollution.
c. the amount of nuclear power plants in the united states has already surpassed industries producing fossil fuels.
d. the united states would have to rely on a foreign supply of uranium, thus increasing national debt and dependence,
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The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

Explain the significance of the increased cell specialization of the volvocine line

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?