A thermos flask has a vacuum between the double walls why?​

How does food play a part in our culture (us culture) and other cultures around the world?

Which food preservation method can people use at home? a. fermentation b. irradiation c. pasteurization d. thermal processing

Which is one purpose of creating federal laws and policies for tobacco use? to people stop using tobacco products to implement health events aimed at fighting tobacco use to monitor the trends in tobacco use across demographics to reduce the amount of money spent on tobacco products