Which one of the following types of training involves 10 to 30 min of high intensity exercise?
a: medium range.
b: anaerobic.
c: long, steady distance.
d: interval.

Which of the following is a positive response to stress? select one: a. smiling b. naming it c. working more d. joking about how stressed you are

How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels by damaging or changing a cell's dna by increasing heart rate by increasing phlegm and mucous production

Which action is characterized of mental illness 1.brushing teeth every hour because ones mouth feels dirty ? 2. forgetting to eat breakfast on a busy day? 3.crying three days over a relationship breakup? 4.feeling embarrassed about going to school after failing in front of friends?