A surprising new finding in the battle against AIDS reveals that HIV transmission in heterosexual relationships is reduced if

A) the woman is taking birth control pills.
B) a woman has already had two children.
C) the male has had sex with a prostitute.
D) the male is circumcised.


D

Environmental & Atmospheric Sciences

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If the environmental lapse rate is less than the moist adiabatic rate, the atmosphere is?

a. ?conditionally unstable. b. ?absolutely stable. c. ?absolutely unstable. d. ?neutrally stable. e. ?superadiabatic.

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Explain the arguments for and against nuclear power

What will be an ideal response?

Environmental & Atmospheric Sciences

Steams that add water to the underlying groundwater resource are called which of the following?

a. altruistic streams b. gaining streams c. losing streams d. perennial streams e. rejuvenated streams

Environmental & Atmospheric Sciences

Which are not associated with a mid-oceanic ridge?

a. old ocean crust b. shallow-depth earthquakes c. volcanic eruptions d. transform faults e. hot water

Environmental & Atmospheric Sciences