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.
The effects of soils contamination Soil contamination can result in soil and land pollution, and affect the health of plants that depend on them. It can also harm living organisms in the soils and humans that come into contact with them by touching, breathing or eating crops from contaminated soils.