Search engines allow the researchers to

a. search using keywords
b. use advanced searching techniques
c. focus their search by searching within the results of their query
d. only b and c
e. all of the above


E

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Who based his theory on emphasis on mental and thinking abilities which parallel physical development of the child?

A. Piaget B. Watson C. Vygotsky D. Bruner

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What level of unemployment do adults with visual impairments experience?

A. 25% B. 60% C. 50% D. 10%

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Adherence to exercise is greatly enhanced if you are able to make it through ____ of training.

Fill in the blank(s) with the appropriate word(s).

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A mother will conceive dizygotic twins when ______.

a. she contributes an X-chromosome and the father contributes both an X-chromosome and a Y-chromosome b. a woman produces a single ova that is fertilized by one sperm and the resulting ball of cells splits to form two individuals with the same gene c. a woman produces two ova, which are fertilized by two sperm d. a woman produces a single ova that is fertilized by two sperm

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