<u>ANSWER:</u>
I think that the answer would be #3.
<u>EXPLANATION: </u>
I think this because a timeline shows the events in order in time.
<u>HOPE THIS HELPS! :D</u>
B is the answer to the question you are asking... am I at 20 characters yet??
The study of earth, like map reading, locations on the map, countries, continents, seas/oceans/lakes, mountains/hills (best way I could explain it, sorry if it doesnt make sense)