1) Which animal is used the most for testing in laboratories? a) dog b) bird c) mouse d) rabbit e) monkey f) horse 2) What is not a symptom for the flu? a) high temprature b) loss of appetite c) ill for long period d) sore throat e) headache f) vommiting 3) over what period of time does bacteria split into two? a) 20mins b) 5mins c) 24hours d) 2hours e) 30mins f) every few secs

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