Respuesta :
A) biased
its all four trials he rubbed his hands together for two minutes. After using the three products and the control, he cultured the bacteria on his hands.
its all four trials he rubbed his hands together for two minutes. After using the three products and the control, he cultured the bacteria on his hands.
Answer:
answer is quantitive this guy is wrong
Explanation:
did it on usatestprep