Nutrient pollution - Study guides, Class notes & Summaries

Bio 102 Exam 3 Questions And Answers (Verified And Updated) Water pollution (18) - answerpollution from human activities, as well as naturally occurring pollution, enters freshwater systems comes from run-off during rains or directly through discharge Water pollution in closed systems (18) - answerlakes and ponds are closed systems, pollution mostly remains there Water pollution in open systems (18) - answerstreams and rivers enter large lakes or oceans, therefore the pollution is tran...

APES Unit 8.1-8.4 questions and correct answerspoint source - correct answer pollutant that enters environment from an easily identified and confined space nonpoint source - correct answer pollutants entering the environment from many places at one; difficult to "point" to one individual source. point source pollutants - correct answer animal waste runoff from a CAFO (ammonia, fecal coliform bacteria); emission from smokestacks of a coal power plant (CO2, NOx, SOx, PM); bp oil spill (...

apes unit 4 exam packet questions and answers rated A+ 2024/2025(pg. 11) soil layers (top to bottom) - correct answer o horizon (humus) a horizon (topsoil) e horizon (eluviation layer) b horizon (subsoil) c horizon (regolith) r horizon (bedrock) (pg. 11) biome differences: - correct answer 1. forests- warm climate, rich soil, alternating rainfall seasons 2. grassland- soil rich in organic materials, alternating rain seasons 3. rainforest- hot/humid climate, thin soil, heavy rainfall ...

Setting of Landscape Plants Question and answers rated A+ 2023/2024Nitrogen - correct answer nutrient most responsible for green, vegetative growth and protein in the plant. During cool weather it is most important to use nitrate forms of nitrogen, instead of ammonium to encourage growth in pansies and other flower displays.Nitrogen is lost to air and ground water quickly, leading to pollution if misapplied. Primary macronutrient. Phosphorous - correct answer responsible for root growth, flow...

fishery correct answer: a system composed of 3 interacting components: the aquatic biota, the aquatic habitat and the human users of these renewable natural resources fisheries management correct answer: interdisciplinary manipulation of aquatic organisms, aquatic environments, and their human resources to produce sustained and ever increasing benefits for people provisioning ecosystem service correct answer: goods regulating ecosystem service correct answer: water purification, cli...

Atmospheric Deposition - Answer-the process, long recognized by scientists, whereby precipitation (rain, snow, fog), particles, aerosols, and gases move from the atmosphere to the earth's surface. Biochemical Oxygen Demand - Answer-amount of dissolved oxygen consumed by aquatic microorganisms. Used as a test for organic waste contamination from sewage, paper pulp, and food waste. Clean Water Act (1972) - Answer-National Pollution Discharge System which requires a permit for any entity dum...

What is environmental science? - Answer-An integrated study of: 1. How the Earth works 2. Identifying problems w/ the way the Earth is working 3. Coming up w/ solutions to environmental problems Would you support the addition of a $1.00 tax to every gallon of gas to help offset the harmful effects of burning gasoline that's passed onto the environment? - Answer-The freedom of travel provided by vehicles and other forms of transportation is nothing but a privilege. Though they offer an arr...

Bill Nye: Biodiversity Questions and Answers Graded A+ What is biodiversity? Biodiversity refers to the variety of living organisms in a particular area, including different species, genetic variations, and ecosystems. Why is biodiversity important? Biodiversity is important because it helps maintain ecosystem stability, provides resources for food and medicine, and supports overall environmental health. What are some threats to biodiversity? Some threats to biodiversity include...

point source pollution - Answer discharge from factories, sewage treatment plants, mines, power plants easy to identify, monitor, regulate non-point source - Answer agricultural runoff, storm-water, atmospheric deposition broadly scattered, difficult to regulate and control organic wastes - Answer oxygen demanding wastes most biodegradable, but dissolved O2 is used up raw sewage, paper mill discharge, food waste, dead animals Dissolved oxygen vs. temperature - Answer Dissolved oxyge...

Benefits of Grinding (particle size reduction) - Improve nutrient digestibility - Improve feed mixing - Improve pellet quality Shortfalls of Grinding (particle size reduction) - Excessive grinding is expensive - Increase in dust pollution and moisture losses - Cause flowability problems during feed manufacturing - For broilers; increased GI passage rate, poor gut health and low nutrient digestibility Hammer Mill - By far most common; feed is struck by a hammer and shattered until it passes thr...