*Based on a 2,000 calorie diet. One ounce of walnuts (7 whole, 14 halves or 1/4 cup) contains 2.5 g of ALA and is about: 185 calories, 18 g fat, 1.7 g saturated fat, 4 g carbohydrate, 2 g fiber, and 4 g protein.The key to adding healthy fats like nuts to your diet is to manage your portion appropriately.
Itâs because a barter system is inefficient and only advantageous over a monetary system when the money cannot hold its value predictably. 1) The dollar is far more stable a predictor of value, since any barter system would be new and hence difficult to predict.ubmit. Â· just now. Report Abuse. barter system is the system of exchanging goods and services for goods and services. and it has failed because of inappropriate measurement ie it will be hard to measure how to exchange a cow for a chair.
A mixed economy is an economic system that has some combination of traditional, command, and market economies; or is a modified free enterprise economy. Mixed economies exist because the world is NOT neat and orderly. Often mixed economies form when one type of economy comes into contact with other cultures and they borrow ideas. Major events such as revolutions and economic depressions may cause economic systems to change, and sometimes a mixed economy is the result of an economy simply changing over time.