Proteins, which are compounds made of nitrogen-rich amino acids, create waste products in the body of animals that must be eliminated. which toxic compound is the primary concern of animal waste systems? a. urea b. ammonia c. ammonium d. nitrogen

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit