Seed crops and vegetatively reproduced crops seem to have different major cultural hearths. Which form of domestication of plants is most closely associated with the tropics and humid subtropics?
A. seed crops
B. vegetatively reproduced crops
C. neither one
D. both
Answer: B
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Tertiary treatment of sewage produces water that is typically used for
A. Agriculture B. Drinking C. Watering livestock D. Industrial activities E. Dumping into freshwater systems
A decrease in pH of about 0.1 pH units is very small and is unlikely to have negative consequences on marine organisms.
Answer the following statement true (T) or false (F)
The most important factor influencing vegetation patterns in the Rocky Mountain Region is what?
A) The distribution of precipitation B) Differences in elevation C) Animal habitation D) Planting patterns of indigenous groups
Folding occurs when rocks are deformed as a result of compressional stress and shortening
Indicate whether the statement is true or false