Answer:
Behavior or strategy that individuals can use or do to support a healthy envitonment is to mainatain sanitanion. to conduct awareness programm or can keep yoirself clean first by maintaing cleanliness. suggest people not to make a environment dirty, and lastly to support a healthy envitonment, we need to maintain a healthy eco system and recycle the waste products.
I imagine, it's A, they get a sense of the history of the area they are investigating.
I believe it is
(Midwestern United States)