The crust of the earth consists mostly of

a.................................................................................................................molten iron.
b.........................................................................................................................rock.
c............................................................................................................................soil.
d.........................................................................................................................water.


b

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Caution is required in deciding whether an infant is developmentally delayed because

a. doctors disagree about how to define developmental delays. b. parents often worry about their children's development. c. infants develop at different rates. d. developmental delays are not observable.

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The discussion of ______ in a qualitative research proposal is similar to that in a quantitative research proposal.

A. extraneous factors B. outliers C. delimitations D. limitations

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The natural realistic approach to science is the best approach for teaching preschool children

a. True b. False Indicate whether the statement is true or false

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The antecedent event is

a. the target behavior. b. what happens before the behavior occurs. c. what happens after the behavior. d. what happens during the behavior. e. None of these.

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