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Social Studies, 06.05.2020 06:37 matluck4162
An experimenter lines up pairs of checkers into two identical rows. Then the experimenter elongates one of the rows by spacing the checkers farther apart. This is a classic test of:
A. conservation of volume.
B. conservation of area.
C. conservation of number.
D. conservation of matter.
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An experimenter lines up pairs of checkers into two identical rows. Then the experimenter elongates...
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