When shopping online, your phone number is your most valuable piece of personal information. It can lead to “identity theft.”

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the

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

List the four types of organic compounds found in all living things and explain why they are important.