Which of the following is true concerning stretching techniques?
a. ballistic stretching exercises never involve bouncing.
b. you should always stretch before warming up.
c. ballistic stretching exercises can be harmful if done incorrectly.
d. not all ballistic stretches require supervision.

When studying heredity, what is the relationship of dna based and traits? super urgent !

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.

Which are fat-soluble vitamins? a. abcd b. abek c. abdk d. acdk e. adek