Jet streams are high speed winds that comes from the west and Global wind<span> belts are when the Earth gets the right amount of heat and the Earths spin.
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Kidneys for transplant can come from a living or a cadaver. Nephrectomy is the surgical removal of one or both kidneys. It is done by removing a healthy kidney from what you call a donor.They are usually to treat kidney diseases and injuries.
I believe it would be the leaves because that helps collect water! :)