My name is jeff and idk about the answer
Gravels are the largest particles formed from the breakdown of rocks.
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This change is due to an increase in earths revolution rate.(:
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Description The Fermi paradox, named after Italian-American physicist Enrico Fermi, is the apparent contradiction between the lack of evidence for extraterrestrial civilizations and various high estimates for their probability. Michael H. Hart formalized the basic points of the argument in a 1975 paper.
