Your skin tends to have a naturally acidic pH depending on the areas of your body. Factors like the environment and your skin care routine can affect your skin’s pH level. Learn how to keep a balanced ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Soil pH is a measure of soil acidity or alkalinity. On the pH scale, a value of 7.0 is neutral, pH values less than 7.0 are acidic, and pH values greater than 7.0 are alkaline. Homeowners and ...