_______ is an unusual plant hormone and is the only plant hormone to exist as hydrocarbon gas.
ایک غیر معمولی پودوں کا ہارمون ہے اور یہ واحد پودوں کا ہارمون ہے جو ہائیڈرو کاربن گیس کے طور پر موجود ہے۔ ______
Answer: Auxin
Explanation
Auxin is an unusual plant hormone and the only one to exist as a hydrocarbon gas.
It plays a key role in regulating plant growth and development.
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