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.
Answer:
b is the answer
Explanation:
i got this question i got it right
Answer:
seems you've answered this.
Explanation:
I don't know what "this" means here - but Spain, England and Portugal based their empires on their sea explorations and colonizations - all their colonies were not reachable (or only by de-tours) by land.
China, on the other hand was not based on Islands, but connected by land: so here China is the best option.