Question

the fertile plain formed between two river is _______
(a)Doab
(b)strait
(c)Bay
(d)Delta

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Answer 1

Answer:

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Explanation:

the fertile plain formed between two river is Doab.

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Answer 2

Explanation:

Ammonia poisoning happens when a fish tank's ph levels become elevated, offsetting the nitrogen cycle. 1 In ideal water conditions, ammonia levels should be nonexistent. ... Even the smallest amount of ammonia can cause gill damage in fish and extremely high levels are oftentimes fatal.