The Earth's Crust is like the skin of an apple. It is very thin in comparison to the other three layers. The crust is only about 3-5 miles (8 kilometers) thick under the oceans(oceanic crust) and about 25 miles (32 kilometers) thick under the continents (continental crust).
The problem behind your itchy skin might be insufficient vitamin intake. There are a number of vitamins that promote the hydration and healthiness of your skin. A shortage in these could trigger itchiness, dry skin and other skin conditions. Alternatively, an overdose of such vitamins might also lead to itchy skin.
1. Vitamin A. Necessary for the maintenance and repair of vital skin tissue, vitamin A is the key to healthy skin. If youâre deficient in vitamin A, your skin may take on a dry, flaky complexion. Get your daily recommended allowances of vitamin A through foods such as sweet potatoes, carrots, and dark, leafy vegetables.itamin C can also help reduce wrinkles, improve skin texture, and reduce photo damage. 4. Vitamin E. Use vitamin E on your skin to help reduce the appearance of scars and rough, dry skin. To keep skin looking supple and soft, try adding more nuts, olives, and spinach to your diet, all of which are high in the vitamin.