The oldest known minerals are 4.4 billion years old.
The process of subduction and sea floor spreading can change the size and shape of the oceans. I Hope This Helped! (Mark as Brainliest If You Agree!)
Formation of clouds containing water droplets
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Answer:
Dissolved oxygen concentrations are constantly affected by diffusion and aeration, photosynthesis, respiration and decomposition. While water equilibrates toward 100% air saturation, dissolved oxygen levels will also fluctuate with temperature, salinity and pressure changes ³.
Explanation:
