What interesting observation have sleep researchers made concerning the sleep of certain marine mammals?
a) Their sleep occurs in one hemisphere at a time.
b) They are the only species that does not sleep at all.
c) Their sleep consists of the equivalent of hundreds of naps every 24 hours.
d) Their sleep consists entirely of what we would term slow-wave sleep in humans.
A
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the meaning and use of the word "consternation." the facts surrounding the 1948 presidential election. his feelings on his wedding day. the rules of a game that he has played since childhood.
Parents tend to be more ____________________ when raising later-born children
Fill in the blank(s) with correct word
While there are far fewer male centenarians than female, the men who do reach this milestone tend to be stronger physically and cognitively than the women
Indicate whether the statement is true or false.
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