What would most likely be included in the "analysis" section of a lab report

The correct option is "a discussion of any errors in the experimental data"

Explanation:

The analysis section of a lab report describes the critical analysis of the experiments and observations that were carried out. It also describes the defaults in any observational method which they got to know during the experimental method. The analysis section also tells how the experimental and observational methods could be made better. Hence, we can say that the analysis section of a lab report shows discussion of any errors in the experimental data.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.