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.
Fold mountains are pushed up at a boundary where two tectonic plates collide. The boundary between an ocean plate and a continental plate is called a subduction zone. Here, the thin ocean crust slides slowly under a thicker continental crust, making the rocks buckle and fold.IMALAYAN COLLISION. The Himalayas is a range of fold mountains formed by the collision between India and the rest of Asia. When the two tectonic plates collided, the southern edge of Asia buckled.