What is convection and radiation in short

How is health different for most people in this country today from what it was for people born in 1900? a. people have a shorter life span. b. people today work harder to survive. c. people today live in poorer sanitary conditions. d. people today can focus less on day-to-day survival and more quality of life.

Cancer is 100% preventable if you follow all the necessary healthy behaviors. true or false

Which action is most likely to contribute to a positive self-image?