Knowing what you do about the structural components of the skin, why do you think collagen is used in cosmetic procedures to fill and hide wrinkles?

Collagen refers to the prime structural protein in the extracellular space in the different connective tissues in the animal bodies. As the prime constituent of the connective tissue, it is the most abundant protein in mammals, forming about 25 to 35 percent of the whole-body protein component.

Collagen has an application in the cosmetic procedures to hide and fill wrinkles as it forms a series of fibers within the skin, which functions like framework. This maintains the elasticity and moisture of the skin like the younger skin.

i think its b

explanation:

answer: tributaries flow into rivers.

wetland is a biome that develops when the water gets accumulated in a land exhibiting a huge depression. these form either seasonally or permanently. the water in the wetland comes from rivers, lakes, ocean, flood, rain or other sources. the wetlands includes mangroves, marshes and peatland.

tributaries flow into the rivers develops a wetland because such water will get deposited in the depression and will restrict the original flow of tributary water. hence, water with low drainage current combines with the river water.