Question

Pixy is a student of microbiology.She is verymuch interested in cryogenics (the science of very low temperatures). With the help of her science teacher she is doing an experiment on the effect of low temperatures on bacteria. On the 1st day she cools one sample of bacteria to a temperature of -51°C and another to -76°C but she is unable to succeed. 2nd day she cools one sample of bacteria to a temperature of - 40°C and another sample to -32°C

Question:1 )  What was the temperature difference in the two experiments in day 1?

A)    25B)    -127C)    -25D)    127

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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

a ) 25 is the right answer

Step-by-step explanation:

-71-(-51)=25