its nitrogen i took the testttttttttttttttttttttttttttttttttt
Answer:
Answer would be no.
B)carbon, hydrogen and oxygen
Answer:
you don't have to worry about replacing them or watering them
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.