WhT does the line of red semicircles mean I. A weather map please answer quick

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Idon’t know how to solve this question

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons