Ruminant Animals,such as Goats and Cows

Ruminant animals,such as goats and cows,

A) produce enzymes in their intestines that break down cellulose.
B) are primarily carnivorous.
C) have a four-chambered stomach that provides a large surface area for better nutrient absorption.
D) produce hydrogen dioxide,an important greenhouse gas.
E) obtain much of their nitrogen from the digestion of microorganisms.