What are the narrow belts of fast-moving air a the higher levels of the troposphere called

The narrow belts of fast-moving air at the higher levels of the troposphere are called jet streams. The paths of the jet streams can be best described as meandering. Jet streams can start or stop or split or move in the reverse direction at any time. I hope that the answer has come to your great help.

That is false the sun’s core does not fusion

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