Earth has the most density with 5.51 grams / cm^3
Natural process by which water soluble substances (such as calcium, fertilizers, pesticides) are washed out from soil or wastes. These leached out chemicals (called leachites) cause pollution of surface and sub-surface water.
China has become a world leader in production of farm products including rice, wheat, potatoes, sorghum, peanuts, tea millet, barley, cotton, oilseed and soybeans. Initially going back eons, first the use of cast iron tools and beasts of burden were introduced in agriculture. Now, while communes have beendisbanded, and individual farming has been restored, there are quotas for the individual farmers and also some state farms. In modern times, mechanization has been promoted and state sponsored projects like the Three Gorges Dam has provided significant irrigation.
Mountain ranges will form
Black or african american
