brooklyn8249
brooklyn8249 brooklyn8249
  • 18-03-2020
  • Biology
contestada

i need answers ASAPPPP!!!!!!!!!!!!!!!!!please

i need answers ASAPPPPplease class=

Respuesta :

hayleybertram2
hayleybertram2 hayleybertram2
  • 18-03-2020

Answer:

1st question is the rinsing hands for 20 sec with soap bc it has the less amount of substance left on it.

2nd question is to get more effective results

3rd is human error, and make sure to pay attention bc that messes up your results

Explanation:

hope this helps

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