If repeated measurements agree closely but differ widely from the accepted value,
these measurements are

neither precise nor accurate.

accurate, but not precise.

both precise and accurate.

precise, but not accurate.

precise but not accurate

Explanation:

precision is getting the same answer over and over, but not necessarily correct.

accuracy is getting the exact, or VERY close to exact, value

since the question states the repeated measurements agree closely it is saying it is precise, but when it says differ widely from accepted value it is saying NOT accurate.

Answer the glucose is then turned back into carbon dioxide, which is used in photosynthesis

Explanation: :)