The main cause is cooking
A. Stress is rarely related to how we perceive a situation.
B. Background stressors include daily hassles.
C. Cataclysmic events always produce profound and lingering stress.
D. A job promotion qualifies as a personal stressor.
The answer here is B they are each made of matter. some are compounds, and some are elements they all contain Atoms this is because Silver and Oxygen are elements while Carbon Dioxide and Water are compounds. Although you do not have the choices down, I have come across this question before.
Studies have shown been don't on Exercise and depression, exercise and
and energy levels, exercise and happiness levels , and exercise and eating habits.