Answer:
I have never actually seen a zigzag ruler, but I would assume to make zigzag lines.
Explanation:
Answer:
The scale is represented by numbers ranging from 0 to 14 where 7 is neutral. Greater than 7 on the pH scale is more alkaline and less than 7 is more acidic. The pH of hair ranges between 4.5 – 5.5. Lye relaxers range from 12 – 14 and no-lye relaxers range from 9 – 11
Answer:
Write a situation in which positive and negative numbers are used to describe values that have opposite meaning. What does 0 represent in this situation you created?
Explanation:
Write a situation in which positive and negative numbers are used to describe values that have opposite meaning. What does 0 represent in this situation you created?
