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December 19, 2014

Search: thermal pollution and artificial eutrophication

Number of results: 1,551

Envi
I need help on this question: 29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and other ...
January 21, 2010 by mysterychicken

Environmental Science
I need help on this question: 29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and other ...
January 19, 2010 by y912f

Environmental Science
What is another cause of artificial eutrophication? Since you haven't told us what other causes are, it's impossible for us to find "another cause." Please tell us the causes you've found -- and we'll try to help you. fertilizer from farms, lawns, and gardens are the largest ...
April 21, 2007 by Mack

ecology
what are the six steps of the very serious and common water pollution problem of artificial eutrophication
October 26, 2011 by danielle

Environmental Science
I need help trying to figure out what the main idea of the passage is because I dont really understand it. The natural process of eutrophication is accelerated when inorganic plant nutrients, such as phosphorus and nitrogen, enter the watr from sewage and fertilizer runoff. ...
April 20, 2007 by Mack

Environmental Science
I need a little help on these, i've posted them a few times but i don't get any answers. 29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large mats of algae to bloom ...
February 8, 2010 by y912f

Environmental Science
Can someone please like help me? :') Mack, what is your question? We will not give you the answer but I will try to find you sources where you can find it. I checked your previous multiple choices posts. It is not possible to say if they are correct (best answer), as you ...
April 21, 2007 by Mack

Environmental Science
Name another cause of artificial eutrophication. (Is it bar b queing?)
April 20, 2007 by Mack

Environmental Science
Here is another part of my test that my teacher told me to check. Could you please help me check them? Write the letter of the term or phrase that best matches the description. Mississippi River- I picked b.recharge zone. area above an aquifer- Ipicked c.Nonpoint-source ...
April 20, 2007 by Mack

Environmental Science
29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and other industrial activity d. decrease ...
January 27, 2010 by y912f

Environmental Science
are these correct? 29. A common feature of thermal pollution and artificial eutrophication is that they both a. ave sources that are idfficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and other industrial ...
February 1, 2010 by y912f

Science
Which of these are Ocean water resource challenges and which of these are Freshwater resource challenges? I think flooding and water pollution and aquifer depletion is Freshwater resource challenge. The rest is Ocean water resource challenege. Can you tell me if I am right ...
September 11, 2008 by scooby9132002

Environmental Science
Could you please explain the distinction between eutrophication and artifical eutrophication sense eutrophication is the natural process by which a body of water gains an abundance of nutrients? One is natural and occured long before man's time. The other is man caused, ...
April 20, 2007 by Mack

sci275
Other water or land resource problems that might result from your issue; for example, nonpoint source pollution contributes to eutrophication in freshwater resources or the destruction of coastal estuaries impacts marine life and ocean resources. Explain your answers
May 9, 2009 by Anonymous

world geography
clear-cutting causes flooding and: _a.smog _b.acid rain _c.thermal pollution _d.erosion
May 28, 2012 by natasha napier

SCIENCE
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
April 13, 2014 by Anonymous

physics
what is thermal equilibrim, and what is thermal energy? what are fluid molecules? does convectin involve the movement of matter in a circular manner only? thermal equilibrium: no net flow of heat in or out. thermal energy: The sum of all the interanal stored energy in the ...
January 29, 2007 by minerva

SCIENCE
Provide at least three freshwater and three ocean water resource challenges by filling in the following table. freshwater = aquifer depletion, overdrawing surface water, and saltwater intrusion oceanwater = flooding, water pollution, and eutrophication can you tell me if i am ...
September 12, 2008 by scooby9132002

P.E. help
The burning of fossil fuels contribuets to: A. Air pollution B. Water pollution C. Land pollution D. Sewage Is the answer A?
December 14, 2014 by callie

chem please help drbob222
Two objects A and B have the same mass and the same specific heat. Object A is heated from 30C to 70C and object B is cooled from 70C to 30C. How are the thermal energies of the two objects related after the temperature change has occurred? A. The thermal energies of A and...
November 22, 2014 by Morgan

Science
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
April 3, 2014 by Anonymous

science
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
April 3, 2014 by Anonymous

science
the threat of global warming is mainly associated with ? 1 radioactive wastes 2 use of hydroelectric energy 3 burning of fossil fuels 4 thermal pollution of lakes and rivers
May 29, 2012 by amber

Integrated Physics and Chemistry
Some refrigerants used in air conditioners have been associated with.. A)somg B)destruction of the ozone layer C)thermal pollution D)power failures
April 18, 2011 by Ashley

Integrated Physics and Chemistry
Some refrigerants used in air conditioners have been associated with... A)smog B)destruction of the ozone layer C)thermal pollution D)power failures
April 21, 2011 by Ashley!!

Science
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
May 25, 2014 by Amy

Sci 275
I asked this already but was not clear on what I needed help with. My assignment is on water pollution. Write a 700- to 1,050-word paper in APA format that includes the following: o A brief description of your selected water resource issue and how it originated. o A management...
February 22, 2009 by Tessa

science 207
How does changing the water source's designated purpose affect the allowed pollution levels? How do you contribute to water pollution and what concerns do you have about water pollution?
July 5, 2011 by tamika

Econ
Suppose the marginal cost of pollution reduction is R, where R is the amount of pollution reduced given in percentage terms. The marginal benefit of pollution reduction is 90 - R. The government plans to auction off marketable permits in order to reduce pollution to the ...
February 5, 2009 by Brett

ECON
Suppose the marginal cost of pollution reduction is R, where R is the amount of pollution reduced given in percentage terms. The marginal benefit of pollution reduction is 90 - R. The government plans to auction off marketable permits in order to reduce pollution to the ...
February 6, 2009 by Brett

check geo
canada and the us are _______ largest trading partners. A)europe B)germany c)each other D) japan i go with japan. clear cutting causes flooding and A)smog B)acid rain C)thermal pollution thats my ans. or d) erosion
August 13, 2009 by henry

Science
Think about the factors that will influence the evolution of humans in the future. Name one factor that would exert influence through the process of natural selection and one factor that would exert influence through artificial selection. 1.natural selection: genetic ...
October 29, 2014 by Anonymous

College Micro Econ
Assuming that pollution cannot be removed from the environment at zero cost, the optimal level of pollution will be negative, positive,zero or marginally incremental for additional pollution ? I think I know the answer, I just need another opinion. Let me know what you think ...
April 20, 2009 by sue

science
im stuck on this problem fill in the blank To solve the problem of a polluted stream a scientist traced where the pollution came from.She determines=d that the pollution was coming from many small sources.she worked on a plan to help reduce the pollution to the stream.This is ...
March 23, 2014 by matt

please/revise english
Indeed, the environment ignores state borders, and environmental pollution is not restrained within boundaries. When pollution originates in one country and crosses the frontier, leading to negative impact on the environment of other countries, it constitutes transboundary ...
April 23, 2008 by Crystal

managerial economics
Appalachian Coal Mining believes that it can increase labor productivity and, therefore, net revenue by reducing air pollution in its mines. It estimates that the marginal cost function for reducing pollution by installing additional capital equipment is MC = 40P where P ...
July 11, 2011 by kim

Help!
Geothermal power would be classified as a(n) _____________________ resource because its supply will not run out. An example of a renewable and inexhaustible resource that requires the construction of dams is _________________________ energy. To solve the problem of a polluted ...
April 12, 2014 by Anonymous

Economics
Appalachian Coal Mining believes that it can increase labor productivity and, there-fore, net revenue by reducing air pollution in its mines. It estimates that the marginal cost function for reducing pollution by installing additional capital equipment is MC 40P where P ...
May 16, 2011 by Alex

Biology - Evolution
In one sentence each, describe a) one positive effect of direct artificial selection b) one negative effect of direct artificial selection c) one negative effect of indirect artificial selection
December 28, 2011 by Sara

Geography
What is the difference between natural and artificial boundaries? My answer: A natural boundary is based on physical features of land, such as rivers, lakes, or chains of mountains, whereas an artificial boundary is a fixed line generally following latitude or longitude lines.
September 4, 2013 by Anonymous

Marginal Analysis
Applacian Coal Mine Co believes it can increase labor productivity and therefore, net revenue by reducing air pollution in its mines. It is estimated that the marginal cost for reducing pollution by installing additional capital equipment is MC = 40P....where P represents a ...
June 1, 2007 by Ed

SCIENCE (correct I hope)
Freshwater Resource Challenge: aquifer depletion overdrawing surface water saltwater intrusion Ocean Water Resource Challenge: Flooding (flood)is an overflow of an expanse of water that submerges land, a deluge. water pollution is the contamination of water bodies such as ...
September 12, 2008 by scooby91320002

Economics
There are three industrial firms in Happy Vally. Initial Cost of Reducing Firm Pollution Level Pollution by 1 unit A 70 units $20 B 80 units $25 C 50 units $10 The government wants to reduce pollution to 120 units, so it gives each firm 40 tradable pollution permits. Basically...
October 25, 2010 by Anonymous

Economics
There are three industrial firms in Happy Vally. Initial Cost of Reducing Firm Pollution Level Pollution by 1 unit A 70 units $20 B 80 units $25 C 50 units $10 The government wants to reduce pollution to 120 units, so it gives each firm 40 tradable pollution permits. Basically...
October 25, 2010 by Anonymous

Science Help
Which of the following is not a goal of the clean water act? A. Controlling water pollution from point sources B. Encouraging voluntary cooperation by citizens related to nonpoint sources of pollution. C. Educating citizens about the importance of reducing pollution D. ...
November 21, 2014 by callie

earth science
Science fair help..about soil.. and UV rays..? my topic is how can natural or artificial UV (ultraviolet rays) affect the humus soil and also the grass growing in it? I took 5 plants and put it near the window and the other ones i put it near an artificial (plasma black light ...
May 11, 2009 by s

Science Help!!!!
What form of pollution, if any, does energy source cause? My answer Air pollution?
December 2, 2014 by callie

Science Help!!!!
To solve the problem of a polluted stream a scientist traced where the pollution was coming from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of (blank) pollution ...
December 15, 2014 by callie

A A U
How can i write a seminar report on Eutrophication
March 10, 2012 by Mudi

chemistry
How can you prevent or stop eutrophication
April 29, 2012 by precious

Macroeconomic
Suppose we establish a $10,000 fine for water pollution. Would some companies still find that pollution was economical? Under what conditions?
February 23, 2012 by Karen

managerial economics
Appalachian Coal Mining believes that it can increase labor productivity, and therefore, net revenue by reducing air pollution in its mines. It estimates that the marginal cost function for reducing pollution by installing addtional capital equipment is mMC=40p where p ...
November 23, 2009 by joy

Physics
An automobile is brought to a stop by applying friction brakes to the wheels. The brakes get hot; their thermal energy is increased. The decrease in kinetic of the car is equal to the increase in thermal energy of the brakes. According to the first law of thermodynamics, the ...
February 28, 2013 by Brandi

Environmental Science
Can someone please help me match up my vocad since I've gotten them all wrong in class the other day? 1.__Mississippi River 2.__Area above an aquifer 3.__Bottled water 4.__Bacteria 5.__multiple sources 6.__fertilizer runoff 7.__law designed to improve water quality 8.__Surface...
April 21, 2007 by Mack

Health
I need answer to these questions Research the Walkerton Tragedy. Explain what happened, why and what specifically is being done to prevent it happening elsewhere. Your report should be one to two pages long. Air Pollution Often we do not think of air pollution as separate ...
March 23, 2009 by Temour

english
can anyone tell me if this is correct? Read the following sentences, and focus on the grammar area specified on the top line before the statement then select the correct sentence (a or b) Vague pronouns - B 25a. Air pollution normally increases along with population growth. ...
July 19, 2008 by Anonymous

human life
name two community organizations involved in redressing air pollution and how these organisations redress air pollution
May 19, 2013 by lungani

Sci 275
Write a 700- to 1,050-word paper in APA format that includes the following: o A brief description of your selected water resource issue and how it originated. o A management and sustainment plan that you think will alleviate the problem. o Any opposing views of the issue. o ...
February 22, 2009 by Tessa

microeconomics
Question 20 of 20 5.0 Points If the government attempts to control pollution with a command-and-control policy: A. the government will control the firm's entire production process. B. the government will force the firm to use particular pollution-control technologies. C. the ...
September 17, 2013 by h

science
*what are Required government, societal, and global support for air pollution. *Benefits and challenges of air pollution do you know any sites I can find these answers at?
October 5, 2008 by scooby9132002

Managerial Economics
Since dry cleaning produces air pollution, a small town with two dry cleaning companies has decided to regulate the dry cleaning industry. The two dry cleaning companies, Company A and Company B, currently produce 350 units of air pollution, which the town wants to reduce to ...
December 2, 2014 by EJ

Chemistry
Air Pollution: How do I use equations to describe the question "How is it formed?' for the air pollution?
January 25, 2014 by Tommy

math
The amount of pollution, A (in part per million), present in the air outside a factory on a recent weekday is represented by the equation A= -t^2+16t+6, where t is the number of hours after 7 AM. (a) find the Times (in radical form) when there were 42 parts per million of ...
November 18, 2013 by Evy

Environmental Science
Which of the following is a source of point pollution? a.unlined landfill b.runoff from city streets c.precipitation containing air pollution d.runoff from farms d Yep, it is d.
April 20, 2007 by Mack

Science Help
Using coal for fuel releases pollution into the atmosphere. Why do people continue to use coal if it causes pollution? A. Using more coal reduces the amount of pollution from using oil. B. Using coal is realtivly inexpensive. C. Mining coal helps scientists unconver fossils. D...
November 21, 2014 by Callie

scientist
Solar cells convert what type of energy into electrical energy? chemical electromagnetic nuclear thermal Can someone plaese help I believe thermal
April 9, 2012 by kevin

check geo
the european union requires its members to : A)limit and clean up enviornmental pollution B)pay high tariffs C)cease industrial production D)limit enviormental pollution my choice is d
August 30, 2009 by henry

science
Turn an incandescent lamp on and off quickly while you are standing near it. You feel its thermal energy but find when you touch the bulb that it is not hot. why you felt thermal energy from it.
January 30, 2008 by Ashton

science
Thermal energy is different from temperature because thermal energy depends on the _____.
April 18, 2012 by john

Physics
A fossil-fuel power plant that generates 1000MW of electrical power discharges 1600MJ per second as waste heat into the river. A)At what rate(in MW) is thermal energy obtained fromt the burning of coal? B)What is the thermal efficiency(power output/heat input) of the plant? C...
May 4, 2011 by Devon

phys. science
when most matter is heated it expands right? & doesnt water expand when it is heated? & what is the diff. b/w thermal conductor and thermal insulator? & in which direction will heat spontaneously flow?
May 15, 2008 by leann

physics
How do we compensate for thermal expansion /contraction in the construction of railway tracks? How do we compensate for thermal expansion /contraction in the construction of steel bridges? How do we compensate for thermal expansion /contraction in the construction of metal ...
October 4, 2011 by anil

English
Rephrase the main idea of the sample in your own words, without repeating words or sentence structure from the original statement. (I honestly can't seem to decide on how it should be worded) "Air pollution can also have a significant impact on our economy. It can cost a lot ...
February 1, 2013 by Jess

Science (PLEASE HELP)
The oceans are so large that many people believe the oceans can absorb vast amounts of pollution without harm. Analyze the error in this concept, and explain how ocean pollution can affect human food supplies?
March 26, 2012 by Anna

Science
I'm torn between A. and C. Constructing an artificial wetland is not RESTORING an environment unless there was a wetland there in the past. I live in a neighborhood in which the environmentally conscious developers increased the amount of wetland from the existing streams, ...
January 24, 2007 by Ms. Sue

Algebra
The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal.
December 13, 2011 by Chelsea

Algebra
The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: C=6350/(425-3x) What is the cost to remove 75% of the pollution? Plug in and calculate, do not convert to a decimal.
December 14, 2011 by becca

Environmental Science
Does wind intensify air pollution? I do not see how it can, but i can see how it spreads pollution around the ozone. I dont think it do. Bur I come from not usa.I come from Espana.I do not know sorry.Can you helpy me? yes
February 24, 2007 by Jennifer

Biology
Explain how human activities can cause an imbalance in biogeochemical cycling and lead to problems such as cultural eutrophication and fish kills.
October 17, 2014 by Ash

Physics
Thermal energy question A 40.0kg sample of concrete has 10% zinc impurity (by mass). If 6.0x10^4J of thermal energy is added to the sample, determine the change in temperature.
January 2, 2014 by Sandara

Science
For my homework assignment it is asking me to Choose a terrestrial resource issue discussed in Ch. 12-16 of the text. I know you do not have chapters 12 through 16. But I am wondering if Water Pollution or Land Pollution (i.e.: loss of land because of buildings and population ...
December 5, 2008 by Layla

thermal Energy
Suppose a bar 1 m long expands .5 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated? If each one meter expands a half centimeter, then one hundred meters will expand 100*.5cm. Think on that. NO I DONT UNDRERSTAND WHAT THAT MENS...
June 17, 2005 by Jarrad Schomaker

english
can anyone tell me if this is correct? Read the following sentences, and focus on the grammar area specified in the left column. Then, complete Appendix H by selecting the correct sentence (a or b) Vague pronouns - B 25a. Air pollution normally increases along with population ...
July 19, 2008 by Anonymous

English
Which sentence is Vague pronoun 25a. Air pollution normally increases along with population growth. This increasing pollution is a big problem for many cities. 25b. Air pollution normally increases along with population growth. This is a big problem for many cities.
May 13, 2009 by Lisa

English
Which is the correct vague pronoun and why 25a. Air pollution normally increases along with population growth. This increasing pollution is a big problem for many cities. 25b. Air pollution normally increases along with population growth. This is a big problem for many cities.
January 27, 2010 by Heather

Anonymous
climate and topographical factors that (a) intensify air pollution and (b) help reduce air pollution. Air pollution is promoted by temperature inversion layers, intense sunlight, and barrier moutain ranges on most or all sides. It is relieved by ocean breezes. For more about ...
March 7, 2007 by Anonymous

Econ MC
Two firms, A and B, each currently dump 50 tons of chemicals into the local river. The government has decided to reduce the pollution and from now on will require a pollution permit for each ton of pollution dumped into the river. The government gives each firm 20 pollution ...
March 6, 2007 by Anonymous

Science
What climate and topographical factors help reduce air pollution? Prevailing winds from the ocean, high frequency of rain and absence of high mountain ranges around an area help to reduce air pollution.
March 21, 2007 by Michelle

Thermal Physics
Two cars collide head on while each is travelling at 80 km/hr. Suppose all of their kinetic energy is transformed into thermal energy. What is the temperature increase of each car? [You may assume that the specific heat capacity of each car is that of iron, 449 J kg-1K-1.]
May 20, 2011 by Francesca

English
Classify as Simple, compound, complex or compound complex. 1)There has been a significant change in public opinion about air pollution since the Donora disaster of 1948. 2)Although public opinion about air pollution has changed, we have only begun the struggle for clean air. 3...
November 9, 2010 by Tom Jameson

ap chemistry
a battery operated tool, such as a cordless drill, converts... a.) electrostatic energy to chemical potential energy b.) mechanical energy to thermal energy c.) thermal energy to mechanical energy d.) thermal energy to chemical potential energy e.) chemical potential energy to...
September 24, 2010 by Sarah

Science
Identify cliamte and topographical factors that(a)intensify air pollution and (b) help reduced air polluction. What sources of water pollution can you identify? How are people and the environment affected by the physical and economic effects of the air and water pollution? ...
March 14, 2007 by Sharon

English
1. Lisa thinks people will be happy in the future. They will have more food and longer holidays. They can also travel to the space. However, Tommy thinks people will be sad in the future. They will suffer from hunger, air pollution and water pollution. 2. Lisa looks on the ...
October 28, 2009 by rfvv

Calculus
The level of air pollution a distance x miles from a tire factory is given by L(x) = e-0.1x + 1/x2 What is the average level of pollution between 10 and 20 miles from the factory?
February 1, 2011 by Aryan

Chemistry
Compare the natural chemistry that takes place in the environment with the chemistry that takes place due to manmade factors like pollution. Discuss the effect of pollution at the local, regional, national, and global level.
February 20, 2012 by Jenn

english 25
Vague pronouns 25a. Air pollution normally increases along with population growth. This increasing pollution is a big problem for many cities. 25b. Air pollution normally increases along with population growth. This is a big problem for many cities. My answer is: 25b
April 1, 2008 by Rose

english
which is the best thesis A. Because air pollution is of serious concern to people in the world today, many countries have implemented a variety of plans to begin solving the problem. B. So far, research suggests that zero-emissions vehicles are one solution to the problem of ...
September 15, 2014 by britt

thermal physics
A sphere of radius 0.583 m, temperature 39.4C, and emissivity 0.983 is located in an environment of temperature 85.1C. At what rate does the sphere (a) emit and (b) absorb thermal radiation? (c) What is the sphere's net rate of energy exchange?
April 1, 2009 by sweety

physics
With each cycle, a 2650-W engine extracts 2330 J from a thermal reservoir at 85.1C and expels 1840 J into a thermal reservoir at 20.9C. a) What is the work done for each cycle? b) What is the engine's efficiency? c) How much time does each cycle take?
January 1, 2012 by maria

Physics
In each cycle of its operation, a heat engine expels 6,100 J of energy and performs 1,300 J of mechanical work. (a) How much thermal energy must be added to the engine in each cycle? (J) (b) Find the thermal efficiency of the engine. (%)
November 26, 2012 by Sam

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