Stress can indirectly undermine health and physical well-being by

When  people engage in Unhealthy Behaviors this is indirectly indicator that person is stress and affected indirectly undermine health and physical well-being also another type of stress is Burnout an unhealthy condition caused by chronic, prolonged work stress that is characterized by exhaustion, cynicism, and a sense of failure or inadequacy.

i am positive it is c. condensing but i may be wrong

because the light is a great source of energy for the plants to survive. (i hope this )