Select the correct answer. when waves travel through water, why do the moving water particles continue to return to their starting position? a: waves transfer matter, but not energy. b: waves transfer both matter and energy. c: waves transfer energy, but not matter. d: waves don’t transfer matter or energy.

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?