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
Explanation:
2500 bc 205 bc 100 bc ad 65 ad 1900
If you are a producer, you make the items, if you are a consumer, you consume them.