Video Transcript. Hi everyone, Kevin Smith, TubaLove here, talking about different types of tubas. And when I say type, I'm talking specifically about the different types of keys that are available. This happens to be what's called a C tuba. They're also B flat tubas, and E flat, as well as F tubas.
Soil quality decline is one of the main causes of land degradation and is considered to be responsible for 84% of the ever diminishing acreage. Year after year, huge acres of land lost due to soil erosion, contamination and pollution.
Lesson Summary. Soil erosion is the wearing away of topsoil. It is caused by factors such as water, wind and tillage of farm fields. The effects of soil erosion can be felt on-site, meaning at the site of soil disruption, because soil quality is reduced.The effects can also be felt off-site, meaning the location where the eroded soil deposits.oil erosion impacts the agricultural industry as well as the natural environment. The effects of soil erosion can be felt both on-site, meaning at the site of soil disruption, or off-site, meaning the location where the eroded soil deposits.