How does chemical weathering form a cave? Weak acids seep into the ground until they reach a zone soaked with water. As the ground water become more acidic, it dissolves calcite and other minerals in the rock.
Yogurt is a good food choice when you have a sore throat because it is cool and bland. The American Cancer Society explains that people with sore throats should choose bland foods like yogurt rather than acidic foods like oranges or spaghetti with tomato sauce, which may irritate the throat.
Chamomile is always a favorite because of its mild flavor. This is the best tea choice for children. Licorice root is also helpful, but make sure you've got the real thing, not flavored candy. Marshmallow root is great for a sore throat. This is not the type of marshmallow you would roast over a campfire.