The answer is: St. Lawrence River .
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In the west, the Atlantic, east, Atlantic is connected to the pacific, and the Arctic is in the both and south. I hope it somewhat helped. Sorry if I didn’t :)
C)Dodo birds and caribbean monk seals
Why? Dodo birds give it away, Dodo birds was hunted to extinction because there was no competition of where they lived for their coats and it was very easy to hunt them since they had no self defense.
The last option best shows a meteorite.
Meteorite definition: A meteorite is a solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the atmosphere to reach the surface of a planet or moon.
There is no picture but my the description you gave i think it would be fine as long its not loose
