Question

Two scientists did the same experiment but arrived at different results. The scientists most likely

did not have accurate data and information
misunderstand each other's interpretations
belong to different backgrounds
did not have instruments to take accurate measurements

i think its A or D

Answer 1

While all of these could be correct, they most likely had inaccurate data and info

Answer 2

Answer:  Did not have accurate data and information.

Explanation:  

The scientists may conduct the same experiment by following a detailed and step by step protocol.

The chances of getting of different results in the same experiment may be because of application of inappropriate methodology, absence of precision and accuracy as a result of which the results obtained were not accurate and the information generated was inappropriate.