Explanation:
By graphing cigarettes per day on one axis, and anxiety test score on the other axis, we see a strong positive correlation between the two.
One explanation is that smoking causes anxiety. Another explanation is that people with more anxiety are more likely to smoke.
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A free-trade zone is by definition “a place where trade is left to happen without tariffs(tax on imports/exports), quotas, or other restrictions”. An example of a free-trade zone is the European Union. There are no tariffs, quotas, or other restrictions placed on trading within the EU countries (they even share a currency). This allows for them to place products at a cheaper price for good quality and still get enough money to grow wealth within the different countries.
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Answer:
Primary prevention—those preventive measures that prevent the onset of illness or injury before the disease process begins. Examples include immunization and taking regular exercise.
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