In most developed countries, large fish kills and contamination of drinking water may be caused by all of the following except
malfunctioning sewage treatment plants
Malfunctioning sewage treatment plants
accidental release of toxic industrial chemicals
pesticides and plant nutrients from agricultural sources.
accidental release of predatory exotic species
Answers: 3
Physics, 22.06.2019 21:10
Select the best definition for wavelength. the height of an oscillating electromagnetic wave the rate at which electromagnetic waves oscillate. the distance between two crests of an electromagnetic wave. the oscillations of electric and magnetic fields select the best definition for frequency. the oscillations of electric and magnetic fields. the height of an oscillating electromagnetic wave. the distance between two crests of an electromagnetic wave. the rate at which electromagnetic waves oscillate
Answers: 1
Physics, 22.06.2019 21:20
Abeverage can is made of 3004-h19 aluminum alloy (elastic modulus 69 gpa, tensile yield strength 285 mpa, density 2.72 g/cm^3). the dimensions on the can are approximated as a thin-walled cylinder with a height of 4.83 inches, diameter of 2.60 inches. empty the can has a mass of 14.2 g. determine: a. the wall thickness of the cylinder b. assuming a pinned-pinned condition what is the critical load? c. assuming a fixed-fixed condition what is the critical load?
Answers: 1
Physics, 23.06.2019 16:00
When a charged balloon sticks to a wall, the downward gravitational force is balanced by an upward static friction force. the normal force is provided by the electrical attraction between the charged balloon and the equal but oppositely charged polarization induced in the wall's molecules. if the mass of a balloon is 1.2 g, its coefficient of static friction with the wall is 0.71, and the average distance between the opposite charges is 0.80 mm, what minimum amount of charge must be placed on the balloon in order for it to stick to the wall? express your answer to two significant figures and include appropriate units.
Answers: 1
Physics, 23.06.2019 16:40
A2.35 water bucket is swung in a full cirlce of radius 0.824 m just fast enough so that the water doesn't fall out the top meaning n equals zero there. what is the speed of the water at the top
Answers: 1
In most developed countries, large fish kills and contamination of drinking water may be caused by a...
History, 26.09.2019 09:20
Biology, 26.09.2019 09:20
Mathematics, 26.09.2019 09:20
Chemistry, 26.09.2019 09:20
History, 26.09.2019 09:20
Mathematics, 26.09.2019 09:20
Mathematics, 26.09.2019 09:20
Biology, 26.09.2019 09:20
Mathematics, 26.09.2019 09:20