When driving on a multilane street with two way traffic: ?

When driving on multilane street with two way traffic, the best response to this scenario is to drive ahead but if there are vehicles in front of you, it is also best to drive along behind the multilane vehicles. It is not best to over take or to consume the middle lane because it is a multilane street. In which there are only two lanes and over taking it could cause accidents when not careful, and consuming up the middle is not appropriate to take because the lane is for two lanes.

Which principle states: "geologic processes taking place on earth today operated similarly in the past and can be used to explain past geologic events"? a. lateral continuity