Stress increases the activity of the central nervous system. A positive effect of this is that it makes a person more alert and focused. A negative effect is that it A. makes a person more vigilant.
B. can cause insomnia.
C. dilates the pupils, improving vision.
D. causes stomach upset and indigestion.

You began membership in a new health and fitness club which has access to a dietician and personal trainer. they you develop a special eight-week diet and exercise program. the data in the following table represents your weight, w, as a function of time, t, over an eight-week period. time (weeks) 0 1 2 3 4 5 6 7 8 weight (lb) 150 144 143 141 140 137 137 132 129 your weight decreases during each of the first five weeks of the program. determine the actual change in weight over the first five weeks of the program by subtracting your initial weight from your weight at the end of the first five weeks. what is the sign of your answer? what is the significance of this sign? a. 137-150 = -13 lb; a change in weight is negative because the weight decreases. b. 137-150 = 13 lb; a change in weight is positive because the weight decreases. c. 150-137 = -13 lb; a change in weight is negative because the weight increases. d. 150-137 = 13 lb; a change in weight is positive because the weight increases.

Fallacies are unsound arguments that seem to be logically and are persuasive because they usually appeal to our emotions and prejudices and often support conclusions that we want to believe are accurate. - true or false?

What percent of body heat can be lost through the head