Answer:
Bifidobacteria or Lactobacilli?
Answer:does your question give more detail?
Explanation:
Answer:
most people carry harmful bacteria and can transport them to food touching your nose, hair can spread bacteria and cause contamination
Replacing damaged electrical cords is not a strategy to prevent falls.
Answer:
B) Valves closing
Explanation:
A healthy heart makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart. The first sound (the lub) happens when the mitral and tricuspid valves close.
