The chemical composition of a mineral never has any variation
a. True
b. False
False
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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.
Decelerating flow is common:
a. in the accumulation area b. in the equilibrium area c. at the base of the glacier d. at the margin of the glacier
The Latin American region has several examples of altitudinal / temperature zonation. Which of the following is NOT one of these zones?
a. Tierra Helanda (cold) b. Tierra Fria (cool) c. Tierra Templada (warm) d. Tierra Caliente (hot) e. Tierra Tropical (temperate)
Stable anticyclones act as a ________ to moving cyclones
A) cause B) friend C) block D) rainy counterpart E) catalyst