Answer:
Rise of pastoralism and horticulture-TRIBES
Rise of genus-HOMO
Rise of agriculture-STATES
OPEC member countries produce about 40 percent of the world's crude oil. Equally important to global prices, OPEC's oil exports represent about 60 percent of the total petroleum traded internationally.
In the soviet union what was the opportunity cost of the emphasis on heavy industry was the makers of consumers goods and services paid the opportunity cost of this concentration of resources. <span> leftovers, lower quality resources, so they could not use the scrapes to make anything else out of it, or by recycling.</span>
<span>Tyree's increase in speed illustrates "</span><span>Social facilitation".
Social facilitation refers to the propensity for individuals to perform distinctively when within the sight of others than when alone. Contrasted with their execution when alone, when within the sight of others, they have a tendency to perform better on straightforward or all around practiced assignments and more regrettable on unpredictable or new ones.
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