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Dietary fiber is the substance that is found in plants and is the indigestible portion that cannot be broken down by the body. Sometimes called roughage or bulk, dietary fiber can be either soluble or insoluble and includes substances such as; cellulose, dextrin, inulin, lignin, waxes, chitins, pectin and beta-glucans. Some common sources of dietary fiber are foods such as legumes, wholegrain cereals (such as barley, wheat and oats), plums, berries, bananas, broccoli, carrots, sweet potato, onions, flaxseeds, almonds, seeds and many more.

An avalanche is the sudden movement or sliding of a large amount of snow down a slope. They are most common during the months of winter and spring, but can occur in the summer months as well. Avalanches move at high speeds with a tremendous amount of force and pose a serious threat in most mountainous terrains. Read on to find out what causes this to occur.