Answer:
C.) store data securely would be my choice
Hope This Helps! Have A Nice Day!!
William had to manually edit the data if he wants to remove the null values and incorrect column headers.
<h3>What is data editing?</h3>
Data editing is known to be a term that connote the act of making changes, reviewing or adjustment some survey data.
Note that by editing one can remove want one do not want from a group of data and as such, William had to manually edit the data if he wants to remove the null values and incorrect column headers.
Learn more about data from
brainly.com/question/26711803
#SPJ1
The answer is Benching.
Benching and sloping are methods used to protect employees working in excavations from cave–ins. Benches are cuts in the slope that provides protection by removing material at an angle to its floor. They give the slope a stair-step appearance with emphasis on the angles; the flatter the angle, the more the protection. Benches are split into two groups: simple and multiple.