Answer:
B) Vectors
Explanation:
They are also called carriers.
Using numerous tissue cultures will facilitate individuals perceive however cancer works, however it spreads, however it is attacked and eventually overwhelmed. Scientists will experiment with them while not being afraid that one thing can happen to the patient since they would not be victimization actual cancer patients, however rather a bit of tissue in a very research lab.
They use absolute dating methods, sometimes called numerical dating, to give rocks an actual date, or date range, ... However, there are radiometric dating methods that can be used on sedimentary rock, including luminescence dating
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