Explanation:
The mealworms released carbon dioxide into the solution, which is acidic when dissolved.
Answer – C (Using instruments that have not been calibrated).
When the integrity of an instrument’s calibration has been compromised (usually due to exposure to a shock, vibration, or physical damage), it needs to be calibrated; failure to do this inevitably leads to inaccurate measurement; this is a very common measurement error.
<span>You wouldn't be able to defend against germs</span>
