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.
Soil degradation. Understand how the quality of soil declines and what causes this decline. Soil degradation is the decline in soil quality caused by its improper use, usually for agricultural, pastural, industrial or urban purposes.Soil degradation is a serious global environmental problem and may be exacerbated by climate change.It encompasses physical, chemical and biological deterioration.oil degradation. Understand how the quality of soil declines and what causes this decline. Soil degradation is the decline in soil quality caused by its improper use, usually for agricultural, pastural, industrial or urban purposes.