One type of bacteria reproduces once every 60 minutes. If there are two bacterial cells to begin with, then after 4 hours there will be a total of?

Which of the following can refer to the form of exercises that uses free weights, weight machines. resistance bands, or the weight of the body to put stress on the muscles ? (a) strength training(b)weight training(c)resistance training(d) all the above

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

When planning a menu for children, what are the best food items to consider? a. white bread and only white flour products b. canned and processed foods c. whole-grain bread and fresh fruit and vegetables d. frozen fruits and vegetables