Final answer:
Stress is a common term used to describe unpleasant feelings, and it is true that stress is a widely used term distinct from global warming and smartphone apps.
Step-by-step explanation:
True. Stress is a common term used to describe a variety of unpleasant feelings, such as frustration, anger, conflict, overwhelm, or fatigue. It is a response to our surroundings and prepares our body to respond quickly to danger. While stress is a vague concept, it is widely used in everyday language and has been a topic of scientific study since the 1930s.