C. Keep records of trade. The quipu was made of knotted string and the Incas would keep records of birth, death, and harvests.
Muscle ischemia is the pathophysiologic alteration precedes crush syndrome after prolonged muscle compression
Physiological and the anatomical studies show that when irreversible muscle cell damage starts after 3 h of the ischemia and is nearly about complete at 6 h. These muscle is going to changes are paralleled by the progressive of microvascular damage.
The most common symptom of the myocardial ischemia is called as angina (also called angina pectoris). This is the chest pain (similar to the indigestion or the heartburn) that feels like: Chest discomfort and some Heaviness.
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, In monopolistic competition, firms make price/output decisions as if they were a monopoly. They will produce where marginal revenue equals marginal cost., Free entry into the market may ultimately shrink the economic profits of monopolistically competitive firms.
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Communism (from Latin communis, 'common, universal') is a philosophical, social, political, economic ideology and movement whose ultimate goal is the establishment of a communist society, namely a socioeconomic order structured upon the ideas of common ownership of the means of production and the absence of social ...
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$50 times 4 million barrels/day is $200 million/day which is $73 billion/year.