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cricket20 [7]
3 years ago
5

Which letter points to a trough A.)a B.)b C.)c D.)d

Biology
1 answer:
34kurt3 years ago
6 0
The most likely answer is B because a trough is a long hollow vessel for holding liquids.
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<h2>PNS and SNS</h2>

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Parasympathetic nervous  system (PNS)  

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Answer;

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