Probably c or a with the question your asking
Answer:
The first argument listed after IF
Explanation:
When the two variables are listed next to each other, Excel will find and calculate the correlation between them.
Explanation:
All five things i can come up with her
1. Doors (we either open or close them)
2. Tap (we either open or close the valve)
3. Electric stove/cooker
4. The lid of containers
5. Shoes/ foot wears(we put them ON or OFF)