hiccup hicÂ·cup or hicÂ·cough (hÄ­k'Ép) n. A spasm of the diaphragm causing sudden inhalation interrupted by spasmodic closure of the glottis, producing a characteristic noise.
Ancient Convergent Plate Boundary-Appalachian Mountain Range. The range is mostly located in the United States but extends into southeastern Canada, forming a zone from 100 to 300 mi (160 to 480 km) wide, running from the island of Newfoundland 1,500 mi (2,400 km) southwestward to Central Alabama in the United States.
There are three types of plate boundaries. One type of plate boundary is a convergent plate boundary . A convergent plate boundary is when two or more tectonic plates come together and collide. Convergent plate boundaries are destructive boundaries because one plate and it's crust are recycled. A second type of plate boundary is divergent plate boundary .