The correct answer for the question that is being presented above is this one: "oxygen became available from cyanobacteria." About 1.2 billion years ago, eukaryotic and multicelled organisms evolved because oxygen became available from cyanobacteria.
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I'm not sure but I think it is convection.
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no they could only for straight line
The speeds range from 30 miles per hour to 70 miles per hour
Heat energy would be the fuel for a hurricane. Also the warmer the water is, there is more moisture in the air, which can lead to even larger and stronger hurricanes
