Examlex
Identify/define and explain the significance of the following: positivism.
Zircons
Zircons are minerals that are valued for containing uranium and thorium, which can be used for radiometric dating to determine the age of rocks and geological events.
Carbon
A chemical element with symbol C and atomic number 6, essential to all known life, forming the basis of organic chemistry.
Molecular Evidence
Information obtained from the molecular level, including DNA and proteins, that supports scientific theories or findings.
Carbon Isotopic Signatures
Differences in the ratio of carbon isotopes (carbon-12 to carbon-13) found in organic materials and carbonates, used as a tool for studying past environmental conditions and biological processes.
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