What is a push/pull factor?
Select one:
the way we open the gates on the borders
how immigrants are forced to move
the deciding agents in what causes immigrants to move the factors that decide if an immigrant will be deported

Push Factor "push" people away from there homes and include things like war, so they make people leave there homes because for e.x war.

Pull Factor "pull" people to a new home that include things like better opportunities.  

Explanation:

I think the best answer would be the deciding agents in what causes immigrants to move.

Like for e.x high unemployment is a common push factor, while plenty of jobs is a pull factor.

a woodchuck would chuck 12.5 wood : 3

geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to