Have you ever experienced flow while engaged in this activity? Does this activity increase your happiness or reduce your stress? Why or why not?

If you heat soup on a stove, what happens to the movement of the soup’s particles? a. the particles move slower. b. the particles move faster. c. there’s no change in the speed of particles. d. the particles stop moving.

Rock concerts musical instruments cell phones and contact lenses are just a few things that are possible because of

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.