A classification systemwhere entries are arranged based on some hierarchical structure. filesystem, filing system. asystem of classifying into files (usually arranged alphabetically) grouping, pigeonholing. a systemfor classifying things into groups.
Gene: polypeptide are equivalent units of info
Hard covering protect from weather
Answer: B. Combustion
Lavoisier’s oxygen theory of combustion was one of his most
notable contribution to science and earned him the title of the “father of
modern chemistry”. He recognized the combustible property of oxygen and that phosphorus and other metallic elements increased in terms of weight when burned.