Answer:
To understand behavior
Explanation:
Pigeonholing is used to categorize and classify different and large number of personalities and entities into small groups and clusters. And two main reasons of this categorization is to predict and understand behavior. Through this categorization it become easy to divided different personality.
The foot-in-the-door phenomenon refers to the tendency to comply with a large request if one has previously complied with a small request.
The drug prevention has it major limitation and that is: the drug prevention does not clearly states the goal that the drug is trying to achieve. It is the major limitation for this is the question that has always be unclear and unexplained as to how and why should this act be proceeded.
Explanation:
crops needs Air, water and sunlight in it's environment
I think it a student turns on an electric light to read at night
