Answer:
3
there are 3 nitogen atoms and two oxygen atoms on (3NO2) , also 2 hydrogen atoms and i oxygen atom on (H2O) therefore 2+1=3 oxygen atoms
A dissociation reaction occurs.lets say pcl5=pcl3+cl2
Eukaryotes are multicellular organisms. So, just about every ant, bee, and termite you can think of qualifies. Also, if you consider herds applicable, you can add elephants, zebras, and lions.
Precise and Accurate mean the same thing. I would consider measuring more than once to get a precise or accurate measurement.