________ is the increased concentration of a chemical at each higher level of a food chain
A) Teratogenation B) Biomagnification C) Intoxication D) Bioaccumulation
B
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In which of the following cases will the total fertility rate (TFR) be highest?
A) when women marry early, have children, then die in their late 20s B) when women marry in their late 20s, then have several children C) when women marry in their late 30s, and then have children D) when women marry early and have one or two children E) when women marry early and have many children over a long span of years
All of the following are characteristics of severe mid-latitude climates, except
A) they can extend up to about 80 degrees latitude. B) they have no true dry season. C) summer precipitation can come from either local convection or mid-latitude cyclones. D) they are not prominent in the Southern Hemisphere.
Atmospheric conditions that produce sleet differ from those that produce hail because for sleet to form, surface temperatures must be ____________________ freezing, whereas surface temperatures are typically well ____________________ freezing during hailstorms.?
Fill in the blank with correct word.
How can contact metamorphism be used to date rocks?
A. A metamorphosed rock is older than the magma that metamorphosed it. B. The thickness of the metamorphic zone provides an estimate of numeric age. C. The minerals formed in contact metamorphism provide precise numeric dates. D. A metamorphosed rock is younger than the magma that metamorphosed it.