Match each environmental change with its description. chemicals react with water and oxygen that enter water systems. arrowbothnutrients in excessive amounts enter water systems, causing algal bloom. arrowbotha high concentration of toxic chemicals is present in the bodies of animals at the highest trophic levels. arrowboth

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.