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Bile juices in the breakdown of fats. an injury to the (liver, mouth, or salivary glands) may cause a decrease in the production of bile juices. this decrease in bile juices may lead to decreased production of (amino acids, carbohydrates, or fatty acids)

Which does the author mean by " nature had to kindle all the fires, for man by his own effort was unable to produce a spark

What is one of the most effective ways that artists create space in two dimensional art?