When a solution, in this case water, is cold, the solute (salt) doesn’t mix thoroughly. By increasing the temperature of the solution, the solute can be dissolved. So Gabriel needs to heat the water to make the salt mixture dissolve properly.
Why should one gargle with salt water to help soothe a sore throat?
Sore throats are often caused due to viral infections, like cold or the flu. Sore throats caused by viruses often resolve on their own, whereas sore throats caused by bacteria require addition treatments like antibiotics and home remedies like gargling with salt water.
Gargling with warm salt water is often recommended for sore throats as it soothes the inflamed membranes of the throat, preventing further thickening. Also because salt aids in destroying bacteria, the salt water remedy is a great natural method for temporary resolvement.
Learn more about whether natural remedies are effective here: brainly.com/question/1165715
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