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QUESTION
Compare this to the actual number of craters in this size range Ontario has. (see http://www.passc.net/EarthImpactDatabase/index.
Compare this to the actual number of craters in this size range Ontario has. (see http://www.passc.net/EarthImpactDatabase/index.html ) come up with 2 or 3 good explanations for what you believe happened to them
