The United States Geological Survey estimates that (as of 2005, the most recent year for which data is available) we withdraw 410 billion gallons of water a day, including both fresh and saline water. Most (80%) of these withdrawals go to thermoelectric power plants (for cooling) and agriculture (for watering crops).
Level 2 is the second darkest hair color level. It is usually used to describe a natural black, and is the natural color of most people who have naturally black hair along with Level 3, soft/light black hair. Refer to the hair color chart. Most drugstore black hair shades are Level 2, medium black. Level 2 hair color is best suited to people whose natural hair color is between Level 2 and Level 3.5.
In a Nutshell: Ok, I know there is a lot of Theory here but just remember the main things like the color wheel and itÂ´s complimentary colors.(the colors opposite each other). If your hair is yellow you need to use a toner with purple. If your hair is orange you need something stronger like a blue.If itÂ´s red and you wanna go back to a brown try a green! Remember the underlying pigments when lightening your hair! The darker your hair before you start the stronger the underlying pigment is in the hair and the more likely you will need to use a toner.Here are the different Levels and their underlying pigments: Black hair (Level 1)- Pale blonde hair (Level 10). Level1 -3 dark red.Level 4 red.he darker your hair before you start the stronger the underlying pigment is in the hair and the more likely you will need to use a toner. Here are the different Levels and their underlying pigments: Black hair (Level 1)- Pale blonde hair (Level 10). Level1 -3 dark red. Level 4 red.