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...
Northen Europe and Scandinavia are the original genetic sources. Often children have hair that is much lighter than it will be as they become adults. Many blond/blonde children grow up to have what can be called brown, light brown, dark blond/blonde,dirty blond/blonde, or dishwater blond/blonde hair color. There are very few adults how retain a very light blond/blonde hair color, naturally. I will use the gender neutral word blond from here on in.