Soil moisture. Soil moisture affects the soil biota in two ways. Biologically water is essential for life and for enzyme activity and metabolism and, is a solvent for biological nutrients and other chemicals. Physically, soil moisture affects soil temperature (water is good conductor of heat) and soil aeration.oil moisture. Soil moisture affects the soil biota in two ways. Biologically water is essential for life and for enzyme activity and metabolism and, is a solvent for biological nutrients and other chemicals. Physically, soil moisture affects soil temperature (water is good conductor of heat) and soil aeration.
Your blood is actually always red! Blood in your veins has very little oxygen and is a dark red color that looks almost blue when covered by your skin. Your arteries have bright red blood because it has a lot of oxygen in it that is being carried throughout your body to be used by tissues.
Get help from a doctor now âº. that is normal: If you have fair skin, it is completely normal to see veins under the skin surface. Light blue veins, in particular, are common and are called reticular veins. Veins you can feel or skin discoloration (darkening) around the veins are abnormal.Otherwise, no need to do anything.y veins are very prominent, the colours can clearly be seen through my skin. 8. Get help from a doctor now âº. You can't: Normal veins are naturally going to show through the skin and there is nothing you can do to diminsh their appearance outside of tanning the skin or getting a spray tan.