Mongol journey stations provided the court messengers and merchants with food and horses. Thus, the answer to this item is letter C and D. In addition to what have been stated above, the station also provide the messengers and merchants with temporary shelter to stay for some rest.
The amount of heat energy required to change the state of a substance from a liquid to a solid or from a solid to a liquid.energy that causes molecules to be in motion and to raise the temperature of a substance
The data form the earth's magnetic fields that are locked inside the earth's surface below and is thus an understood form seafloor spreading and plate tectonics and occurs at the concepts of the plate tectonics and is thus a valid form the viewpoints form the formation of the earth.
