Pre-existing oxidation on the metals may influence observations. Explain how this can lead to false positives or negatives, providing one hypothetical scenario for each, using observations from your data.

hi,

the capital city of australia is canberra.

b) mutualism

hope this : )

the answer would be c

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year