In middle childhood, physical growth continues at a slow but steady pace. How many inches per year does the average child gain in height during this time?

According to the Surgeon General’s Report on Mental Illness, ________ of people exposed to traumatic events will develop PTSD.

Fill in the blank(s) with the appropriate word(s).

Hunger and thirst are examples of ______

a. incentives c. instincts b. drives d. motives