As the price of goods rises, people will substitute other products.
Answer: Children below working age were utterly dependent on their parents, and when those parents were unemployed-as was common in this age of double-digit joblessness-hunger often resulted. Surveys revealed that a fifth of New York City's children suffered from malnutrition at the height of the Depression (Mintz and Kellogg 1988, 140). In the impoverished coal regions of Illinois, Kentucky, Ohio, Pennsylvania, and West Virginia, the malnutrition rate may have exceeded 90 percent.
Explanation:
The correct answer would be, No, very little work on outside world.
Very little work on outside world when you rub your hands together to warm them.
Explanation:
When you rub your hands together to warm them up, a friction is created which helps in generating heat within the hands, and in this way the hands are kept warm.
When you rub your hands, the heath goes and disappears within your body, and a very little part of the heat goes into the environment. So this rubbing has a little work on outside world.
As far as the efficiency of this process is concerned, It is very high, as the heat generates and remains within the human body after rubbing and a very little goes on outside world.
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