Between which of the following two nations or territories does Baffin Bay form a natural boundary? Canada and Greenland Canada and Cuba United States and Cuba United States and Greenland

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.

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today

The causes of the failure of the league of nations