Our Sun rotates about the center of our Galaxy at 1000 years that is the answer to <span>What is the period of the Sun's orbital motion about the center of the Galaxy 1</span>000 years
B) Granite is an igneous rock.
Narrow ridges, stream channels, drainage
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.
