Question

check for understanding ii - onions & bulbs / flowering ve
fruits & vegetables
2 of 5
______ is found in onions and is the reason onions cause tears.
○ oxygen
○ carbon
○ sulfur
○ hydrogen

Explanation:

Onions contain sulfur - based compounds. When an onion is cut, these compounds are released and react with moisture in the eyes to form sulfuric acid, which irritates the eyes and causes tearing. Oxygen, carbon, and hydrogen do not have this property related to onion - induced tearing.

Answer:

C. Sulfur