I believe the answer is: Grief
In psychology, grief refers to the process of coping with the overwhelming emotions that created when we loss someone that we care about.
During this process, most individuals would most likely unable to use the social and cognitve skills normally, which would affect their overall behavior
True, the amount of pollutants produced during the industrial revolution has greatly affected our world today.
hope this helps
Answer: Idiomatic expression
An idiomatic expression is an Informal English word whose meaning is different.
Like in the example "we are out of milk." Literally, it means that there is no more milk. If it is taken as an idiomatic expression, it would be taken differently, depending on the culture or the situation.