Can Mindfulness be both formal or informal?

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

In a system, when potential energy decreases, then entropy also decreases. true false