By 1 month of age, infants are able to

A) hold their head up.
B) roll over from front to back.
C) sit up without support.
D) crawl.

A) hold their head up.

Psychology

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The life support system that passes nutrients from the mom to the embryo and transfers waste materials back is the

a. umbilical cord. b. neurons. c. cephalocaudal. d. placenta.

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The right hemisphere of the brain controls

a. the perception of spatial relationships. b. the ability to produce and understand language. c. planning ability. d. reasoning ability.

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