The answer to this question is A) Biomass!
Organic materials less than "50,000 years" old are the type of materials that scientists would date with the carbon-14 method.
<u>Explanation:</u><u> </u>
In general, field of study refers to gaining the knowledge in a particular branch. On the other hand, science means the system where we can attain the knowledge about the universe. This always delivers with theoretical and experimental descriptions in a detailed manner about natural phenomenon.
This handles with each and every aspects about living organisms and environment. This paves the way to know more details in particular part. Hence, field of study like physics, engineering also referred a science in this manner.
