The main advantage is that the paper which you wrote gets checked and assessed for its quality which enables you to see whether what you did was actually worth it and any good. If it's not and it wasn't worth it, it would mean that what you did wasn't particularly useful nor helpful.
Answer:1 : substratum. 2 : the base on which an organism lives the soil is the substrate of most seed plants. 3 : a substance acted upon (as by an enzyme)
Answer - Well to put it in short terms.
Cells such as water cells or aquatic microorganisms need and required to have a large surface area increased. Because this helps them stay afloat without spending much amount of energy to float.