The answer is b. all of the answers don’t involve the contact of their hands to other unsanitary objects or people
Bacteria, molds and yeast are the most important microorganisms that cause food spoilage and also find the maximum exploitation in production of food and food products. Different strains of bacteria and fungus are used for fermentation of dairy products for production of a wide variety of cultured milk products.
Answer:
Oxygen
Explanation:
Your cells use oxygen for energy, as a result makes carbon dioxide
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