Which of the following is not true about the effects of exercise on muscles?
a. it increases muscle tone.
b. it adds material to the outside of the muscle cells.
c. it increases the efficiency of the heart.
d. it can cause muscles to visibly increase in size.

"follow hollywood's hottest diet craze to use more calories and feel great" this article most likely a) provides an easy-to-follow nutrition plan b) includes recommendations that are unsafe c) gives expert advice on creating a healthy lifestyle d) sets a realistic goal for health and weight loss

Which is the link between heredity and tobacco addiction

Great fruit can be contaminated by the water used to wash it true or false?