Answer:
A plastic bag because the others would ruin the evidence the cotton would absorb the blood same with the envelope , paper bag.
Explanation:
The disk diffusion test is used to compare the effectiveness of antibiotics. The incubated plate (results) will show bacteria growth except where antibiotic has effects. The more effective the drug, the inhibition zone will be greater. So the most effective antibiotic is the one that has the largest inhibition zone around the test site.
Explanation:
Noble gases have a full outer energy level and are inactive. These atoms are considered inert.
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