Children in Western nations typically acquire conservation of number, mass, and liquid sometime between __________ years and of weight between __________ years
A) 2 and 3; 5 and 6
B) 4 and 6; 7 and 9
C) 6 and 7; 8 and 10
D) 8 and 10; 11 and 12
C
Psychology
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a. True b. False
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Indicate whether the statement is true or false
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