April 2019 2 37 Report
Air kaldu dalam tabung tertutup rapat,dipanaskan pada suhu 60°C. Setelah dibiarkan selama 1 minggu,ternyata timbul bakteri.Bakteri tersebut berasal dari....
A. Air Kaldu
B. Spora
C. CO2
D. Karbonhidroksida


Tolong dijawab beserta penjelasannya.....no spam please,and please answer my question correctly^^

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