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 4 is the hair color level that is represented as dark brown. It is one of the most common natural hair colors and also very commonly found in hair dye. Level 4 is also common in red or...
Riser for Getty Images. Just as highlights lighten hair with strands of lighter color, lowlights add dimension with strands of darker color. If you were to examine a child's head of hair, you would see strands of many colors from bright to dark. Natural hair color is not one shade of color, it's many shades.