An indicator species is an organism whose presence, absence or abundance reflects a specific environmental condition. Indicator species can signal a change in the biological condition of a particular ecosystem, and thus may be used as a proxy to diagnose the health of an ecosystem.
Stimulants are often called "uppers".
I would say either a or b because when dealing with stress you want to reflect on things you’ve done in the past and see how they resulted, but then it also helps to have the ability to laugh at yourself because it can make the situation less stressful. Hope that helped a little
