The human eye has three layers of eye tissue: the fibrous layer, the vascular layer, and the retina. Each of these layers performs a different function in helping a human see or in eye, as well as forms a place for muscles to attach to. The vascular layer protects portions of the eye. The fibrous layer of eye tissue allows light to enter the ourishes the eye and controls how much light comes into it. The retina is the section of the eye that allows a person to see. The fibrous layer has two distinct parts.
Noun. 1. alluvial soil-a fine-grained fertile soil deposited by water flowing over flood plains or in river beds. alluvial deposit, alluvial sediment, alluvium, alluvion-clay or silt or gravel carried by rushing streams and deposited where the stream slows down.. alluvial soil-a fine-grained fertile soil deposited by water flowing over flood plains or in river beds. alluvial deposit, alluvial sediment, alluvium, alluvion-clay or silt or gravel carried by rushing streams and deposited where the stream slows down.
parent material which is the weathered rock or unconsolidated mass from which the soil forms determines the chemical and mineralogical composition of the soil soils of the ventura area formed in material weathered from sandstone shale and basic igneous rock and in alluvium derived from mixed rock sourceshe hambright soil is an example of a soil that has a minimum of translocated clay in contrast the huerhuero soil an example of a soil that has maximum clay translocation the reduction of iron a process called gleying results in mottled or olive and gray colors