<span>social contagion
This happens when there is the inclination for certain conduct displayed by one individual to be duplicated by other people who are either in the region of the first person who displayed that behaviour . It was initially postulated by Gustave Le Bon in 1895</span>
Answer:
A large increase in human population.
Explanation:
Jessica is experiencing either depression or natural changes every teen goes through.
Answer:
Light
Explanation:
When it comes to the amount of light that enters the eyes, we should know that this amount must be within certain limits, thus being constant. The pupil controls light in and out, so it has openings that contract in bright places and dilates in dimly lit places. So this work done by the pupil is called light adaptation. An example of this is when you wake up in the morning and squint at the light as you open your eyes, but in just a few seconds you can open your eyes all the way, even though the room is brightly lit.