Chose a subject which interests you, like a school subject, sport, or activity. Think about parts of the subject you don't really understand well. Next, pick something from these unknowns that you can test and write a question. For example, does a baseball or football fall faster because of gravity? Or, do frogs chirp louder when the air is humid or dry? Or, does the sound from an acoustic guitar travel longer in air or water?

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane

9. what area of study applies scientific findings to create ways for solving problems or improving life? a biogeology b mathematics c manufacturing d engineering

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit