Which of the following mass units is the largest? a) 1 cg b) 1 dg c) 1 mg d) 1 ng

Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution

What extra step distinguishes fermentation from glycolysis