1st Blank : Gravity
2nd Blank : Look it up
The answer is: self-administration behavior in animals
Because of this similarities, we can conclude that some behaviors are wired in all living beings (including humans and animals) in order to help ensure in our survival.
For example, both animals and humans have the tendency to form a group. We tend to do this because our suitability tend to be higher if we live in a group, where we have other people that we can depend on to cover our weaknesses.
A. A medieval walled city
B. A well organized police force
D. Interstate commerce regulations
Answer:D. the serial position effect
Explanation:Serial-position effect refers to how we tend to easily remember only the first and last items in our list of items and find it hard to recall those in the middle of our list
Remember those at the first list is known as a recency effect and recalling those at the end of the list is known as primacy effect