Someone, please help I have no idea what this is

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are

How does food concentration affect yeast activity

Closing romer’s gap. what is the significance of the new fossil evidence found in scotland? answer in claim evidence and reasoning