I think its China , US and matbe be more
<span>The answer is "Reality principle".
In Freudian psychology and analysis, the reality principle refers to the capacity of the psyche to survey the truth of the outside world, and to follow up on it accordingly, instead of following up on the pleasure rule.
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Answer:
USA, Canada and the UK were one of the first world countries in developing, specially in the school system. They invented social studies in order to teach political science, history and geography so the students could have better understanding about the world around them.
Answer: In accordance with the neoclassical economics, the monetary value of a commodity or service is considered as the price of the commodity in an open market. This value is generally determined by the forces of demand and supply , i.e the demand for the commodity relative to supply. Several neoclassical economist evaluate the value of a product or service with the price, irrespective of the market being competitive.
The freezing point for celsius is 0 if that's what you're asking.