Science, asked by lakshmisathya28, 1 month ago

- Diagrams given below represent hearts of three different animals. Observe it and
answer the question.
a

Among these, which heart is helpful to the animals that require more energy ?
Why ?

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Answers

Answered by AroojEhsan

1

Answer:

nmbr 2

Explanation:

because animals need oxygen and nmbr 2 is very helpful for this source

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