It's the middle of January and you decide you'd rather go outside to exercise than stay indoors. It's a cold, clear day. What precautions should you take to exercise safely?

Why is a lunch consisting of pizza, fruit, and salad a better choice than a lunch with the same number of calories from pizza alone? a)both lunches provide the same amount of energy but the lunch of pizza, salad, and fruit provides more nutrients. b)both lunches provide the same amount of nutrients but the lunch of pizza, salad, and fruit provides more energy. c)both lunches are healthful but the lunch of pizza, salad, and fruit provides more energy for metabolism. d)both lunches are healthful but the lunch of pizza, salad, and fruit is likely to have a higher fat content.

Describe three ways in which technology has treat the flu

True or false a fertilized cell divides many times to form an embryo