Read change from data table
A data table in a fertiliser rate experiment shows a value increasing from \(18\) to \(27\). Calculate the change. Enter the answer and choose the interpretation that matches the chemistry.
AI writing feedback
How would you answer this question in your own words? The AI will analyse your response and give feedback on reasoning, evidence, and expression.
Worked practice: chemistry evidence and answer
Use the chemical evidence first, then enter the result and interpretation that match it.