Making Connections You have a friend who reports that he falls asleep easily around 11 P. M., but then awakens for about an hour most nights around 2 or 3 A. M. He seems near exhaustion. What
would be the traditional explanation for his problem? How might the information contributed by
anthropologists change this view? Given the anthropological view, what recommendations would
you make to your friend?

d. air pressure decreases as altitude increases.

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

helium

oxygen

neon

sodium