C! I just did cells and their organelles!
Answer: To determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones. This is called the Rule of Superposition. ... With absolute age dating, you get a real age in actual years.
Explanation: Hope this helps :)
Answer:

Explanation:
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In this case, since the rate at which oxygen is produced via photosynthesis is:

Since the desired amount is 11,200,000 billion metric tons, the required time is:

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This dome-like shape forms due to the water molecules cohesive properties, or their tendency to stick to one another. Cohesion refers to the attraction of molecules for other molecules of the same kind, and water molecules have strong cohesive forces thanks to ability to form hydrogen bonds with one another