How can wisdom teeth be evidence of evolution?

Fossils indicate that the first few generations who lived on earth had molars that were much larger in size. Evolution changed this pattern somewhere down the line and the first molars became the largest in the set. As we continue to evolve, studies indicate that future generations will have no wisdom teeth at all.

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amber has allowed scientists to study dna that has been preserved over millions of years.

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

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