It is estimated that a slice of pecan pie has about 575 nutritional calories (1 nutritional calorie = 1 kilocalorie). Approximately how many minutes of walking are required to burn up as energy the calories taken in after eating a slice of pecan pie (without the whipped cream)? Walking uses up about 250. kcal/h.

Gymnast always perform on padded mats. how does the mats protect the gymnast

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

What is the most important factor in determining climates.