The outer layer of cells that will form the structures that will provide protection and nourishment for the newly formed organism is the ____

a. umbilical cord
b. placenta
c. embryonic disk
d. trophoblast

Answer: D

Psychology

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A ______ family consists of many generations but each generation consists of only a few members

Fill in the blank with correct word

Psychology

Lottery winners, who averaged about a half-million dollars each, reported their

level of personal happiness before they had won, at the time of the study, and their expected level of future happiness. Compared to a control group of non-winners, the winners were (a) very unhappy, proving that money is the root of much human misery (b) less happy (c) more happy, but only slightly (d) vastly more happy, proving that money does buy happiness

Psychology