Which of these situations would most likely require the involvement of a local government? students at a local school want to start a recycling program. a homeowner wants to repair a broken window. a local family wants to take a city bus to visit a public park. residents demand that dogs be allowed on a public beach.

Which chemical equation is unbalanced? which chemical equation is unbalanced

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

Waste water from industries and domestic sources can be treated by chlorination or ultraviolet radiation. there are pros and cons to using either chlorine or uv radiation to kill harmful microorganisms. what is one reason chlorination would be preferred over ultraviolet radiation? a) chlorine only eliminates visible impurities and is ineffective against microorganisms. b) chlorine not only kills bacteria but provides a residual effect on returning microorganisms. c) uv radiation can be used only to treat drinking water and is ineffective in treating waste water. d) ultraviolet radiation is more effective