Respuesta :
Option (b) is the correct answer.
The reason why onions make you cry?
In the earth, onions develop into bulbs. Voles, which enjoy nibbling on roots, tubers, and bulbs, are among the critters that call the underground abode of the onions their home. Onions have a defence system that is intended to shield them from predators as they grow in order to prevent this from happening. When an onion's skin is damaged, it releases enzymes and sulfonic acid. Propanethial S-oxide, an unpleasant gas, is created when these chemicals mix.
What does lachrymator do?
Tear gland irritation makes them continuously release tears, regardless of whether or not there is a desire or feeling to cry. Allyl sulphide is one of the chemical substances generated by onions; it is also found in garlic and spring onions.
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