Which of the following best matches the description?Nutrient needed in extremely small amounts for plant growth.
A. macronutrients
B. fungicide
C. soft pesticide
D. macronutrient
E. organophosphate
F. micronutrients
G. hard pesticide
H. rodenticide
I. chlorinated hydrocarbon
J. biocide
K. auxin
L. herbicide
M. weed
N. micronutrient
O. biomagnification
P. pheromone
Q. persistent pesticide
Answer: N
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This is the process by which middle-class people move into deteriorated inner-city neighborhoods and renovate the housing
A) Gentrification B) Gerrymandering C) Redlining D) Annexation E) Kleptocracy
In what decades did much of Africa become independent?
A) 1910s and 1920s B) 1930s and 1940s C) 1950s and 1960s D) 1970s and 1980s E) 1990s and 2000s
Which of the following is data (meaning actual observation) rather than an interpretation?
a) recent volcanism at Yellowstone is related to the process that caused the low topography b) there is an area of low topography southwest of Yellowstone National Park c) volcanism in Yellowstone overlies an area of hotter-than-average mantle d) the low topography southwest of Yellowstone formed when North America moved over a hot spot e) All of the above are actual observations
Two identical arrows, one twice as fast as the other, are fired into a bale of hay. The faster arrow penetrates the bale
A. more than four times as far as the slower arrow. B. twice as far as the slower arrow. C. four times as far as the slower arrow. D. the same distance as the slower arrow.