Answer:
Animal by-products.
The USDA (United States Department of Agriculture) defines an animal product as anything made from an animal, excluding muscle meat.
Answer:
The answer would be A. Earthworms burrowing in the ground
B.) speeds up chemical reactions
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Answer: Coronavirus,Ebola,flu,AIDS
Wash your hands
A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response.
Antibiotics fight bacterial infections either by killing bacteria or slowing and suspending its growth.
Explanation:
