A primary air pollutant is directly from the source and secondary pollutants are omitted from two or more different primary pollutants interact with each other in the atmosphere.
EX of primary: carbon monoxide, nitrogen oxide, sulfur oxid
EX of secondary: NO2 acid rain
Answer:
D. Red, Orange, Yellow, Green, Blue, Indago, Violet.
Explanation:
Violet has the highest freqency and red has the lowest.
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Colloid- C)
Emulsion- A)
Heterogeneous- D)
Homogeneous- B)
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That would be A.
Most antibiotics that are used for gram positive bacteria target the peptidoglycan cell wall, but the ones for gram negative bacteria are more advanced and specific and target the cell membrane and alter the cell’s function(processes of proteins and dna/gene expression).