How many referees in professional soccer?

The difference between relief and intaglio printing in art

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)

Where does the wood yiri come from? i know it is somewhere in africa but a specific location, . worth 15 points hurry