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Answer:
Canned foods are a convenient and practical way to add more nutrient-dense foods to your diet.
Explanation:
The availability of safe, quality foods is lacking in many parts of the world, and canning helps ensure people have access to a wide variety of foods throughout the year. In fact, nearly any food can be found in a can today.
Sullivan was able to teach Keller successfully by fingerspelling, gesturing, using Braille, and vocal training. Some obstacles that Keller faced learning to sign without seeing her instructor would most likely include having to learn sign through muscle memory and visualization in her head instead of seeing and repeating. Sullivan had to be strict and push Keller to be repetitive in learning the Signs while having to hold Keller's hands to show her how to sign and she could describe signs by fingerspelling.
My room, the kitchen and... my backyard (I rarely leave my house)
My room: ※ the kitchen: 々 my backyard: 〜〜