Astudent climbs staris the stairs in her house on a summer day and notice that it is much hotter upstairs than downstairs. what is the best explanation for this?

The continental divide a divides the united states into east and west b. divides the united states into north and south c. divides the flow of river systems in the united states into east and west d. is a series of rivers and mountains that separates canada from the united states select the best answer from the choices provided.

Can someone me with this plz? ! i'm putting 20 points on it!

All of the following actions are examples of civil disobedience, except a.) refusing to pay an unfair tax b.) refusing to use government services c.) participating in a protest march d.)planning a riot to destroy a government riot