Which kind of pollution is illustrated by a pipe gushing polluted water into a river? A. Point source*** B. Nonpoint source C. Carbon source D. Resource source

36,790 results
  1. science (any tutor)

    Which kind of pollution is illustrated by a pipe gushing polluted water into a river? A. Point source*** B. Nonpoint source C. Carbon source D. Resource source

  2. Science

    Which kind of pollution is illustrated by a pipe gushing polluted water into a river? A. Point source B. Nonpoint source C. Carbon source. D. Resource source

  3. Physics

    Please someone help..A horizontal pipe 10.0cm in diameter has a smooth reduction to a pipe 5.0cm in diameter. If the pressure of the water in the large pipe is 80000Pa and the pressure in the small pipe is 60000Pa at what rate does water flow through the

  4. 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

  5. history

    Why has the Colorado River become an environmental issue? A. Frequent flooding threatens endangered habitats in the Rocky Mountains. B. Oil spills have polluted the river and threatened many species. C. Irrigation has severely reduced the flow of water. D.

  6. Fluid Mechanics

    Water flows into a cylindrical tank through pipe 1 at a rate of 25 ft/s and leaves through pipe 2 at 10 ft/s and through pipe 3 at 12 ft/s. Pipe 4 is an open air vent. Internal diameters of the pipes are: D1=3 in, D2= 2 in, D3=2.5 in, D4=2 in. Calculate a)

  7. Math - Calculus

    Water is flowing in a cylindrical pipe of radius 1 inch. Because water is viscous and sticks to the pipe, the rate of flow varies with distance from the center. The speed of the water at distance r inches from the center is 10(1-(r^2)) per second. What is

  8. English

    Everyone knows that water is important. Who doesn’t like to drink a cool glass of water after a long day? But some people don’t seem to worry about polluting the local water supply. They should! I like water, and so should everyone else. What change

  9. Geography (Ms. Sue)

    1). What river has an international group trying to save? A: An international group has been trying to save the Tisza River. 2). What diseases are linked to air pollution? A: Respiratory diseases such as asthma, bronchitis, and emphysema, as well as lung

  10. 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

  11. science help pls pls

    Dams are used to produce hydroelectric power. Which of these best describes the impact of a dam on the environment? It causes air pollution. It reduces the level of groundwater. It causes changes in the river ecosystem. It reduces the level of oxygen in

  12. 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

  13. math

    A plumber has a very long piece of pipe that is used to run city water parallel to a major roadway. The pipe is cut into two sections. One section of pipe is 12 ft. shorter than the other. If ¾ of the length of the shorter pipe is 120 ft., How long is the

  14. physics

    A horizontal pipe 17.00 cm in diameter has a smooth reduction to a pipe 8.50 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, at what rate does water flow through the pipes?

  15. Physics

    A horizontal pipe narrows from radius of 0.250 m to 0.100m.If the speed of the water in the pipe is 1.00m/s in the larger radius pipe,what is the speed in the smaller pipe

  16. general physics

    Determine the minimum gauge pressure needed in the water pipe leading into a building if water is to come out of a faucet on the twelfth floor, 38 m above that pipe.

  17. Biology

    oil spills and leaks in the pacific ocean have harmed marine organisms and the environment. which kind of environmental issue is illustrated by this example? a) Resource Use b) Pollution c) Population Growth d) Biodiversity

  18. Calculus

    You have been asked to determine where a water works should be built along a river between Chesterville and Denton to minimize the total cost of the pipe to the towns. (a) Assume that the same size (and cost) pipe is used to each town. (This part can be

  19. 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

  20. physics

    Water flowing through a 1.9-cm-diameter pipe can fill a 500L bathtub in 5.1min. What is the speed of the water in the pipe?

  21. Physics

    Water is flowing in a pipe with a varying cross-section area, and at all points the water completely fills the pipe. At point 1 the cross-section area of the pipe is 0.080 m^2, and the magnitude of the fluid velocity is 2.50m/s. Calculate the volume of the

  22. 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

  23. i need help with science pls

    ]Most of the drinking water in a location comes from a river. A steel plant is to be built close to the river. It would provide jobs and facilities to many people in the location. The steel plant would use a huge amount of river water. This might cause

  24. physics

    A horizontal pipe 17.00 cm in diameter has a smooth reduction to a pipe 8.50 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, at what rate does water flow through the pipes?

  25. Physics

    The water flowing through a 1.9 cm (inside diameter) pipe flows out through three 1.3 cm pipes. (a) If the flow rates in the three smaller pipes are 24, 18, and 13 L/min, what is the flow rate in the 1.9 cm pipe? (b) What is the ratio of the speed of water

  26. 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

  27. 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

  28. physics

    Water flows steadily from an open tank into a pipe. The elevation of the top of the tank is 10.2 m, and the elevation at the pipe is 3.90 m. The initial cross-sectional area of the pipe is 6.40×10^−2 m; and at where the water is discharged from the

  29. phys

    Water flows steadily from an open tank into a pipe as shown in the figure. The elevation of the top of the tank is 12.3 m, and the elevation at the pipe is 3.80 m. The initial cross-sectional area of the pipe (at point 2) is 5.60×10−2 m^2; and at where

  30. physic

    Water flows through a 4.0-cm-diameler horizontal pipe ata speed uf 1.3 m/s. The pipe then narrows down to a diameter of 2.0 cm. Ignoring viscosity, what is the pressure difference between the wide and narrow sections of the pipe

  31. Physics

    Water flows into one end of a horizontal, cylindrical pipe at 2.0 m/s. The pipe then narrows until its diameter at the opposite end is only 1/3 of that at the beginning. (a) What is the flow speed at the narrow end of the pipe? (b) What is the pressure

  32. science help pls pls

    A pond is located beside an open mine. Mercury from the mine contaminates the river water. This is an example of single pollution multiple pollution point source pollution non-point source pollution would this one be c or b. im having trouble with this

  33. Physics

    Water flows under pressure from one pipe into a second pipe having half the diameter. The volume flow rate in the narrow pipe is ________ that in the wide pipe, and the speed of the water in the narrow pipe is _______ that in the wide pipe

  34. Economics

    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 will sell

  35. 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

  36. Physics

    A horizontal water pipe goes from a large diameter to a small diameter and then back to the first diameter as shown in the figure below. The level of water (8cm in the larger tube and 4 cm in the constricted tube) in the small vertical tubes provides us

  37. Physics

    A horizontal pipe, 10 cm in diameter, has a smooth reduction to a pipe 5 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, what is the flow speed of the water (in m/s) in the

  38. Physics

    A horizontal pipe 10cm has asmootion to apipe 5 cm in diameter if the pressure of water in the large pipe is 80000pa and the pressure in the smaller pipe is 60000pa at what rate does water flow through the pipes

  39. 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?

  40. Physics

    Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min.What is the speed of the water in the pipe?

  41. PHYSICS

    Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 1.5 cm, and the radius of the nozzle is 0.42 cm. The speed of the water in the pipe is 0.68 m/s. Treat the water as an ideal fluid, and determine the absolute

  42. Engineering

    It is found that ozone reaction in water nearly follows first-order kinetics in ozone concentration decreases by 50% in 12 minutes (t1/2 = 12 min). A water supplier wants to inject ozone into a pipe bringing water to thee water treatment plant to

  43. Maty álgebra

    Avatar la the answer of a plumber has a very long piece of pipe that is used to run city water parallel to a major roadway.The pipe is cut into two two sections.One section of pipe is 12ft.shorter than the other.If 34 of the leght of they shorter pipe is

  44. Science

    Alex threw a stick in a river and watched as the river carried it away. He scooped a pail of water from the river and noticed that a leaf was floating in the pail without moving on the surface of the water. Why did the stick move in the river and the leaf

  45. maths

    Pipe A can fill a pool in 15 minutes and pipe B alone can do it in 10 mibutes. Both the pipe are opened after 4 minutes water from pipe B stop flowing.In how much time will pipe A fill the part of the pool

  46. physics

    What is the pressure change in water going from a 3.0- cm-diameter pipe to a 1.8- cm-diameter pipe if the velocity in the smaller pipe is 3.0 m/s? Im using the equation pv2^2(A2^2-A1^2)/2A1^2 and get (1000)(3)^2(1.8^2-3^20/(2(3)^2) and get -2880 Pa but I'm

  47. Physics

    Determine the minimum gauge pressure needed in the water pipe leading into a building if water is to come out of a faucet on the twelfth floor, 40m above that pipe. Pa?

  48. physics

    Water is flowing at 6 m/s in a circular pipe. If the diameter of the pipe decreases to five-seventh its former value, what is the velocity of the water downstream?

  49. Science

    How to calculate the height of water column gushing that would be gushing out from a 100 mm diameter pipe opening if the velocity of the water flowing through the pipe is 1.6 meters / second.

  50. economics

    Now a days Ganga water in highly polluted. What are the main sources of this pollution? What measures are being taken by government of India to check this pollution?

  51. 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

  52. 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

  53. World Regional Studies/ Geography

    In January 2000, cyanide is released to the Tisza River in Hungary. Effect 1: Effect 2: Water Pollution Countries develop industries. Effect 1: Effect 2: Poland’s water in most rivers is unsafe to drink Rain washes fertilizers from fields into bodies of

  54. 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

  55. Math

    Power Plant on the River Problem As the construction manager for the Lightem Up Power Company , you make decisions to hep minimize costs of the company's construction projects. Today you've been asked to determine the path of a pipe that will house

  56. Science:Earth Science

    Explain how energy conservation can help with decreasing air, water and land pollution. This is an essay question. This is my answer. Answer: Energy conservation can help with decreasing air, water, and land pollution because of the different alternatives

  57. fluid physics

    Water is pumped through a pipe of diameter 15.0 cm from theColorado River up to Grand Canyon Village, on the rim of thecanyon. The river is at 564 m elevation and the village isat 2096 m. (a) At what minimum pressure must the water be pumped to arrive

  58. physics

    Through a pipe of diameter 16cm, water is pumped from the Colorado River up to Grand Canyon Village, on the rim of the canyon. The river is at 564m elevation and the village is at 2096m elevation. a) At what minimum pressure must the water be pumped to

  59. Social Studies 6 B

    1. The Saraswati River was a twin to which other river? A. Ganges. B. Tigris. C. Himalaya. D. Indus. 2. Glacial runoff and ________ provide the water for the large rivers of India. A. underground wells. B. melting snow. C. rain. D. steam. 3. Saraswati

  60. Science

    Oil spills and leaks in the Pacific Ocean have harmed marine organisims and the environment. Which kind of environmental issue is illustrated by this example? a- resource use b- pollution c- population growth d- biodiversity My answer is D

  61. Physics

    An organ pipe that is closed at one end has a fundamental frequency of 122 Hz. There is a leak in the church roof, and some water gets into the bottom of the pipe, as shown in the Figure. The organist then finds that this organ pipe has a frequency of 300

  62. math

    A pottery factory needs to connect with the main gas pipe line. This pipeline is on the other side of a stream. A gas line must be run from the main line junction to the factory at the lowest possible cost. It costs $12.50 per foot to run pipe under water

  63. English

    1. He is in the river. [For example, half of his body is in the water. Or he is swimming in the river. He may be enjoying scub-diving in the river.] 2. He is on the river. [He is rowing a boat on the river. He is floating down on a log on the river. He may

  64. 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?

  65. trig with enough info?

    Two oil Wells are 4 km and 6 km from the river. The points along the river are 8 km apart. Find the common loading point on the river, using the shortest amount of pipe.

  66. Physics -- sound

    An organ pipe that is closed at one end has a fundamental frequency of 146 Hz. There is a leak in the church roof, and some water gets into the bottom of the pipe, as shown in the Figure. The organist then finds that this organ pipe has a frequency of 273

  67. Frequency - Physics

    An organ pipe that is closed at one end has a fundamental frequency of 128 Hz. There is a leak in the church roof, and some water gets into the bottom of the pipe, as shown in the Figure. The organist then finds that this organ pipe has a frequency of 217

  68. Physics

    An organ pipe that is closed at one end has a fundamental frequency of 122 Hz. There is a leak in the church roof, and some water gets into the bottom of the pipe, as shown in the Figure. The organist then finds that this organ pipe has a frequency of 300

  69. physics

    Water flows in a cylindrical, horizontal pipe. As the pipe widens to twice its initial diameter the pressure in the pipe changes. Calculate the change in pressure between the wide and narrow regions of the pipe. Give your answer as an expression in terms

  70. physics

    A horizontal pipe (Venturi Tube) 10.0 cm in diameter has a smooth reduction to a pipe 5.00 cm in diameter. If the pressure of the water in the larger pipe is 2.0 x 105 Pa and the pressure in the smaller pipe is 5.0 x 104 Pa, at what rate does water flow

  71. physics

    A horizontal pipe (Venturi Tube) 10.0 cm in diameter has a smooth reduction to a pipe 5.00 cm in diameter. If the pressure of the water in the larger pipe is 8.0 x 105 Pa and the pressure in the smaller pipe is 3.0 x 104 Pa, at what rate does water flow

  72. Science

    Estuaries are often highly polluted bodies of water and can be used to measure the overall health of an ecosystem. Devise a logical argument for why estuaries become so polluted and provide at least 2 examples of the importance of estuaries. My answer: The

  73. AP Physics B

    Through a pipe of diameter 15.5 cm , water is pumped from the Colorado River up to Grand Canyon Village, on the rim of the canyon. The river is at 564 m elevation and the village is at 2096 m . At what minimum pressure must the water be pumped to arrive at

  74. English

    All of the water is polluted. Each of the wather is polluted. Some of the milk is bad. Some of the apples are rotten. All of the milk is decayed. (Are all the expressions grammatical? - The subject verb agreement-)

  75. Social Studies

    Describe the causes and effects of pollution on the Ganges River. What role does population play on this pollution?

  76. maths

    A large pipe has a diameter of 9.8×10^2cm.Water flows in the pipe at a speed of 5m s^-1.Find the volume in m^3,of water that flows out from the pipe every second,correct to 2 significant fogures.[Take pai as 3.142]

  77. physics

    In the figure below, the fresh water behind a reservoir dam has depth D = 13 m. A horizontal pipe 6.0 cm in diameter passes through the dam at depth d = 6.0 m. A plug secures the pipe opening. (a) Find the magnitude of the frictional force between plug and

  78. Health

    The burning of fossil fuels contributes to: water pollution sewage air pollution**** land pollution

  79. 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

  80. math

    a water tank is supplied by a pipe of diameter50cm the pipe is replaced by k pipe each of which has diameter 10cm.find k.

  81. physics

    Water flows at 0.58 m/s through a pipe 11 cm in diameter when the pressure is 450,000 Pa. Determine the water velocity & the pressure in the pipe if it shrinks down to 5 cm in diameter. You can assume that the pipe is horizontal & ρwater = 1000 kg/m3.

  82. physics

    A large water tank has an inlet pipe and an outlet pipe. The inlet pipe has a diameter of 2.19 cm and is 1.25 m above the bottom of the tank. The outlet pipe has a diameter of 5.93 cm and is 4.85 m above the bottom of the tank. A volume of 0.411 m^3 of

  83. physics

    water moving in a horizontal pipe has a velocity of 9 m/s when the radius of the pipe os 0.025m. Determine the velocity of the water when it enters a wider section of the pipe and the radius is 0.075m.

  84. Science

    Hi Just want to know if water from a 20mm Polyethylene pipe under pressure of 3 bars passes to a 25mm polyethylene will cause a slight increase in volume output with a little drop in pressure? If yes then to obtain this benefit , up to whay size can we go

  85. physics

    Water is flowing in a pipe with a circular cross-section area ,and at all point the water completely fills the pipe.At point 1 ,the cross sectiona are of pipe is 0.070 meter square and the fluid velocity is 3.50 meter per second. a.) what is the fluid

  86. Science

    1. To a scientist, a river is a kind of stream. True or False. 2. All streams carry sediment. T/F. 3. A delta keeps growing. T/F. 4. Heavy rain always cause flooding. T/F. 5. A river bank is at the end of a river. T/F.

  87. math

    a 15 foot long standard weight pipe with a diameter of 4 inches is filled with water. what would be the total approximate weight of the pipe and the water it contains? If I recall my non-metric units, 1 cubic foot of water weighs about 62.4 pounds. the

  88. Physics

    A water pipe is made of iron with an outside diameter of 2.5 cm and inside diameter of 2.0 cm. The pipe is used to ground an electric appliance. If a current of 20 A flows from the appliance into the water pipe, what fraction of this current will flow in

  89. physics

    Water is pumped at a rate of 24 cubic meter per second through a 0.50 cm radius pipe on the main floor of the house to a 0.35 cm radius pipe on the solar hot water collector 4.0 m higher on the roof. If the pressure in the pipe on the roof is 120000 Newton

  90. English

    1. He is in the river. [He is inside the river.] 2. He is sitting on the river. [He is sitting on the surface of the water.] 3. He is sitting in the river. [He is sitting on the bottom of the water.] 4. He is eating at the river. 5. He is eating at the

  91. physics

    Water is flowing at 3 m/s in a circular pipe. If the diameter of the pipe decreases to four-ninth its former value, what is the velocity of the water downstream? Answer in units of m/s.

  92. PHYSICS please

    what is the minimum gauge pressure needed in the water pipe leading to a building if the water is to come out of a faucet on the 12th floor, 41m. above the pipe.

  93. Basic Physics

    Determine the minimum gauge pressure needed in the water pipe leading into a building if water is to come out of a faucet on the twelfth floor, 41m above that pipe.

  94. Math

    When an engineer inspects a pipeline she notices a high water mark. How much space is there between the high water level and the top of the pipe, to the nearest hundredth. The diameter of the pipe is 1.2m and the horiztonal distance across the surface of

  95. Physics

    Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min.What is the speed of the water in the pipe?

  96. Physics

    Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min.What is the speed of the water in the pipe?

  97. Physic

    Determine the mass flow rate of water through a pipe with a diameter of 3.3 cm when speed at which water travels through the pipe is 2.5 m/s.

  98. physics

    Water flows through a 1.2 cm diameter pipe into a 155 L bathtub, which it fills in 8 min.What is the speed of the water in the pipe?

  99. physics

    Water flows through a 1.2 cm diameter pipe into a 155 L bathtub, which it fills in 8 min.What is the speed of the water in the pipe?

  100. Physics

    Water flowing through a 2.8 cm-diameter pipe can fill a 200 L bathtub in 5.8 min.What is the speed of the water in the pipe?

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