Which of the following substances may contain an infectious agent?
2 answers:
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Incomplete question. The remaining part read;
<u>Words</u>
- Carbon Dioxide
- Cell wastes
- Food
- Oxygen
- Water
Answer:
<u>Arrow 1: Food</u>
<u>Arrow 2: Oxygen</u>
<u>Arrow 3: Cell wastes</u>
<u>Arrow 4: Carbon dioxide</u>
<u>Arrow 5: Water</u>
