A planting trees around a farm
Explanation:
Trees majorly help us out, by converting carbon dioxide into oxygen. If you cut down trees that releases carbon dioxide out into the air.
The answer will be B. It is common sense
The flow of energy starts in in you arms. You put your hands together, and use your arms to move your hands back and forth, this is kinetic energy. Your hands rubbing together causes the molecules to bump into each other, this is friction. As the molecules bump into each other they begin to move faster, and the fast movements of the molecules is what creates heat.
Need more info can’t really get an answer out of this sorry :/