Answer:
Scientists mostly gain new knowledge through direct observation and applying the scientific method. They would start with a hypothesis and test it, then change it or confirm it. Others would test their confirmation from one point, while the third group would test what the second said. And so on and so forth.
Explanation:
The choices can be found elsewhere and as follows:
<span>atural and synthetic
metabolites and nonmetabolites
proteins, carbohydrates, lipids, and nucleic acids
organic compounds and inorganic compounds
I think the correct answer from the choices is the third option. The c</span>lassifications of matter used In the 1800 are proteins, carbohydrates, lipids, and nucleic acids. Hope this helps.
<em>the correct option for this is B>></em>
Carbon is the basic element for living thing
