8. which of the following is not a goal of the clean water act? (1 point)
controlling water pollution from point sources
encouraging voluntary cooperation by citizens related to nonpoint sources of pollution
educating citizens about the importance of reducing pollution
allowing businesses to release industrial wastes into rivers

Which of these metals are magnetic?

How do you know how many valence electrons an atom has?

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?