Explain how tectonic forces created the appalachian mountains and describe how they have been shaped.

Match the mountains with the type of collision that formed them. a. andes b. aleutians c. north american cordillera d. appalachians 1. continental- continental 2. continental- oceanic 3. oceanic- oceanic 4. arc- continent

Which soil layers comprise the topsoil? o horizon a horizon b horizon c horizon

How far is a geographic second? a.) around 100 feet b.) around 1,000 feet c.) around 5,000 feet d.) none of the above