it is trapped beneath non porous rocks
The defining feature of a prokaryotic cell is C. Membrane- bound organelles.
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Answer:
approximately 4.5 billion years ago
Explanation:
Answer: Really hope this helps you.
Explanation: it depends in what you are using it for if you are using it for math then it means a relation from a set of inputs to a set of possible outputs where the input and the output is related exactly.