Water diversion and pumping has allowed humans to grow crops in areas where natural supplies have been limited. A major challenge that exists in these regions has been ________
A) high trophic-level efficiency
B) low crop diversity
C) high pesticide use
D) salinization of soils
E) soil erosion
D
Environmental & Atmospheric Sciences
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Herbivores feed on ________
A) fungi B) animals C) bacteria D) parasites E) plants
Environmental & Atmospheric Sciences
Containing elements of both forests and coastal marshes, the swamplands of extreme southern Louisiana would be an example of ________
A) a superbiome B) an ecotone C) a closed ecosystem D) an abiotic system E) a dead zone
Environmental & Atmospheric Sciences
These vertical shafts of light are created by slowly falling crystals of ice
What will be an ideal response?
Environmental & Atmospheric Sciences
Which color portion of the visible spectrum emits the lowest amount of energy?
A. yellow B. red C. green D. blue
Environmental & Atmospheric Sciences