How can we prevent epidemics? Elaborate it in few sentences​

What has contributed to the growth of agriculture as big business in the midwest

2. every fitness program should include a. a longer warm-up period than cool-down period. b. a warm-up, a primary conditioning period, and a cool-down. c. at least 60 minutes of cardio activity. d. at least 15 minutes of vigorous activity.

Which scenario validates bandura's bobo doll experiment? a. a child learning math from a teacher b. a child playing with blocks c. a child getting on a school bus d. a child smiling at others because his parents smile at others