An inference draws conclusions based on evidence gathered through observation. The conclusion is reached logically on the basis of facts known to be true or assumed to be true. An inference can be seen as an interpretation of what is observed. An inference is an element of reasoning, an act of thinking.
Biochemistry because it does not have to do with the erosion
The absorptive surface area of the small intestine is actually about 250 square meters (almost 2,700 square feet) – the size of a tennis court!