The symbol Al+3 is a cation. Therefore giving us the correct answer being option B. cation.
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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.
_RER: (rough endoplasmic reticulum)
it's role is to carry the ribosomes(subunits)
_mitochondrion: gives energy for the cell for its motility
_golgi body: responsible for maturation of the protein
Scientists use labs to Design and Carry out experiments.
Answer:
Carbon dioxide, nitrous oxide, and methane
Explanation: