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.
Choosing a Hair Color For Dark Skin Shades. 1  1. Balance any warm tones. If you have a warm undertone, choose a hair color that has rich chestnut or cinnamon shades. 2  2. Warm up any cool tones in your skin. If you have cool undertones, pick a hair color with some warm highlights to brighten your hair. 3  3. Adjusting a golden tone.