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Which of the following soil properties is not influenced by microorganism activity? a. soil acidity b. amount of organic matter c. nutrient levels d. none of the abov
Weegy: a. soil acidity is not influenced by microorganism activity. User: Soil fertility is best described as being dependent upon _______. a. the balance between organic matter and mineral nutrients b. soil color and the local climate c. topography and the local climate d. soil texture Weegy: Soil fertility is best described as being dependent upon a. the balance between organic matter and mineral nutrients User: Salinization increases the concentration of _______ in soil. a. plants b. nutrients c. salt d. water Weegy: Salinization increases the concentration of -c. salt- in soil. (More)
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Asked 10/22/2012 7:08:36 AM
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Which of the following is true concerning sources of water pollution? a. Mine wastes and heavy metals become water pollution through storm water runoff. b. Biodegradable materials like food, wood, and leaves are not considered pollution. c. Petroleum byproducts and fuels end up as pollution principally from oil spills. d. Pesticides and herbicides do not commonly become water pollutants
Weegy: c. Petroleum byproducts and fuels end up as pollution principally from oil spills. An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially marine areas, due to human activity, and is a form of pollution. User: Which of the following is not a cause of water pollution? a. jet fuel b. laundry soap c. ammonia d. none of the above (More)
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Asked 10/23/2012 8:12:48 AM
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Which of the following is an example of mechanical control of nonnative species? a. pesticides b. herbicides c. net barriers d. inspections
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Updated 6 hours 5 minutes ago|11/28/2014 2:39:42 PM
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Net barriers is an example of mechanical control of nonnative species.

Added 6 hours 5 minutes ago|11/28/2014 2:39:42 PM
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