Answer: There is pollution in the east river
Explanation: If we think about it cant be a lack of food as it talks about having a large food source. Nor can it be climate change as that would result in a low yellow Perch population. it cant be they aren't able to catch the bird. So the only logical answer is a pollution that the birds are adapted to.
Why did the war on the Western Front turn into a stalemate?The war turned into a stalemate because both sides dug into trenches for the winter, and this dragged on for four years.
HOPE THIS HELPS!!!!!!
I think the correct answer from the choices listed above is option D. The tactic that Charles Townshend use to increase British control of the American colonies would be that created new taxes on the American colonists to raise revenue. Hope this answers the question.