miércoles, 27 de octubre de 2010

Building Up an Breaking Down

This topic talk about how mountains are form. Lets bigin with the types of mountains, there are two types the fold mountain and the fault block mountain. The fold mountain is a mountain maded of mostly of rock layers folded by being squeezed  together.And the fault blog mountain is a mountain made by huge tilted blocks of rocks separated 0from soraunding rock by fault.
The different between weathering and erosion is that weathering is the breking down of pices of rocks and erosion is the proses that picking up of the rock pieces.The horizons are three name: Horizon  A: has a lot of humus, Horizon B: have alittle amount of himes an Horizon C: is the bed rock