Biology, 19.05.2020 17:01, tytenaedwards6441

David and Luisa are trying to determine if two samples are the same or different substances. First, they observed sample 1 and sample 2. Then, they wrote down their observations. Review their observations. Then, answer the questions below.

Which student’s observations would prove more useful to a chemist?

David's observations

Luisa's observations
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David and Luisa are trying to determine if two samples are the same or different substances. First,

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David and Luisa are trying to determine if two samples are the same or different substances. First,...