Compare this to the actual number of craters in this size range Quebec has. (see http://www.passc.net/EarthImpactDatabase/index.

Compare this to the actual number of craters in this size range Quebec has. (seehttp://www.passc.net/EarthImpactDatabase/index.html) come up with 3 reasons/events/processes that may have occurred that would result in the two numbers being different. i need help answering this question