Which of the following can be an example of centrifugal political force

Which statement is a proper biconditional statement for the conditional statement: if a line intersects a line segment at its midpoint, then it is a segment bisector. if a line is a segment bisector, then it intersects the line segment at its midpoint. if a line does not intersect a line segment at its midpoint, then it is not a segment bisector. a line intersects a line segment at its midpoint if, and only if, it is a segment bisector. if a line is not a segment bisector, then it does not intersect the line segment at its midpoint.

The incident command system (ics) is: a. most applicable to the management of complex incidents that extend over many hours or days. b. a military system used in domestic incidents to ensure command and control of federal resources. c. a standardized management tool for meeting the demands of small or large emergency or nonemergency situations. d. a relatively new approach created based on the lessons learned from hurricane harvey disaster operations.

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.