At night, a flock of crows will generally perch close together in a small place often a piece of wooded land—called a...
January 11, 2022
MattR
Couldn't E. technically be true, or at least partially true? Maybe crows like doing the majority of their hunting on the outskirts, and they noticed most of their food was just 5 miles beyond the outskirts of their original hunting ground. Likely? No. Impossible - I don't think so. It just seems more subjective here, when the answer is supposed to be 100% false.
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I think this is a very subtle and high level technicality, so I want to start by saying this should NOT be one's overall focus. Don't let semantics bog you down - remember your goal is to get your points and do well, not to understand all the nuance of a particular question. If nothing else, E is by far the best answer, even if it seems imperfect.
That being said, I think the confusion might come from how these areas are defined. If you think of the roosting vs hunting areas like concentric circles, then yes, moving your central radian point (the roost) in any direction would move the hunting bubble. This is way of imagining the hunting area is fine, thought not technically correct.
The hunting area CAN extend to 100km, not that it always is at all points. So the roost can move without the hunting area changing at all (think of a tiny bubble moving around in a bigger bubble.) It could, yes. But there's no way we could say that crows GENERALLY move their roost for hunting purposes.
Here's an example: The chances of finding a planet with alien life is 0.00000000001%. And we know there are trillions of exoplanets in our galaxy.
It's false to say "generally planets have life," as the term generally essentially eliminates any discussion about fringe possibilities.
