Answer: Heidi Doody. Heidi Doody was built by Margo Rose and had the voice of Norma MacMillan and Donna Miller. Heidi was introduced as a stranger who saved Buffalo Bob's life in Africa. Later, Heidi was adopted and became Howdy's sister.
The descending of rock layers at subduction zones causes metamorphism in two ways; the shearing effect of the plates sliding past each other causes the rocks coming in contact with the descending rocks to change. Some of the descending rock will melt because of this friction.
Explain how studying mountain ranges can help scientists learn more about plate tectonics and continental drift. Because plate tectonics are what a mountain is caused by. Continental drift would tell you how it moved. Continents also cause mountain ranges to form. Describe how volcanoes form at subduction zones. Because two plates collide and one goes under and then they push upwared to make a volcano.