What is one way in which chemistry affects your everyday life?A.Watches are now more accurate because they are digitalized.B.Weather forecasts are now more accurate because of radar.C.Refrigerators use energy more efficiently than they did 10 years ago.D.Tap water is safe to drink because it is monitored for harmful substances.

In what way are chemicals a part of our everyday lives?A.Chemicals are used only in products that are shipped overseas.B.Chemicals are used only to make food.C.We are dependent on chemicals because we have been using them for centuries.D.Naturally occurring and man-made chemicals are in everything around us.SUBMITarrow_backPREVIOUS

Which statement best describes the effects chemicals may have on the environment?A.The effects of chemicals on the environment are easy to observe.B.Some chemicals may help the environment.C.Chemicals must be released in large amounts to affect the environment.D.All chemicals harm the environment.

Why does chemical safety remain a concern today?A.Chemists are constantly learning more about what makes chemicals dangerous.B.Chemists don't think about the safety of the chemicals they use.C.Chemists still have many older, existing chemicals that are dangerous.D.Chemists really don't know what to do with dangerous chemicals.SUBMITarrow_backPREVIOUS

some examples of substances changing in your everyday life

hoose the best INFERENCE from the following statement.We have allowed chemicals to be used in our environment with little or no advance investigation of their effects on air, soil, water, wildlife, and man.Choose AnswerAChemicals are always harmful.Choose AnswerBFuture generations will always use chemicals.Choose AnswerCOur behavior may adversely affect future generations.Choose AnswerDChemicals are beneficial to the environment.Choose AnswerEChemicals rarely pose a threat to wildlife.End of QuestionIR27