No, the Colombian exchange brought new food to the Americas such as cattle, pigs, and wheat (in exchange for foods such as tomatoes, squash, and beans).
An official count of the population is the census.
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All space junk is the result of us launching objects from Earth, and it remains in orbit until it re-enters the atmosphere. ... Some space junk results from collisions or anti-satellite tests in orbit. When two satellites collide, they can smash apart into thousands of new pieces, creating lots of new debris.
Explanation: