The Two Countries Together Responsible for About 40 Percent of the World's

question 30

Multiple Choice

The two countries together responsible for about 40 percent of the world's carbon dioxide emissions are

• A) the United States and China.
• B) the United States and India.
• C) the United States and Russia.
• D) China and Russia.

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Definitions:

Chyme

The fluid mixture of partially digested food and digestive secretions that is formed in the stomach and intestine during digestion.

Gastric Juices

A mixture of mucus, hydrochloric acid, and digestive enzymes produced by the stomach lining to aid in the digestion of food.

Bolus

A mass of chewed food at the moment of swallowing.

Stomach Wall

The layers of muscle and tissue that encase the stomach, responsible for the mechanical and chemical breakdown of food.