Why do animals and humans need proteins in their diet? 1. They need these proteins to incorporate directly into required tissues
2. They break down protein into amino acids needed for their particular protein synthesis
3. They cannot make their own protein
4. They need protein for cell energy

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.