<span>There are no choices given, but the event was most likely a physical one that would have barred the squirrels from seeing each other. Squirrels are a social creature, and the event that would have separated the populace could have been anything from a large fire to an earthquake that separated the squirrels from each other.</span>
It seems That teh molecules can move towards the membrane
True. if there is no friction or wind resistance then the object could keep going because nothing would be there to slow it down
Sugar ...... (I need to make this 20 characters to submit)
The answer is recombination or "crossing over" as some people call it! Hope this helps!