Dr. Taylor discovers a chemical that is a very effective agonist for serotonin. Briefly explain how this chemical might affect human behavior, and identify the condition Dr. Taylor might treat with this chemical.

Labor costs would be a large factor holding production of shade-grown coffee back. if it requires higher labor costs to receive a smaller benefit per hectare, then these costs would be prohibitive on expanding this practice to all coffee growing.

Their worse are not meaningful;

Iwould say either b or ci could be wrong let me know