28. scott travels north 5 miles and then goes south 3 miles before coming back due north for an additional 2 miles. what is his displacement? *
1 point
4 miles north
4 miles south
10 miles north and south
10 miles

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal

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.

Compare and contrast physical changes with chemical changes.