Spain for the majority of the next 300 years. This considering it owned everything from Terra del Fiugo to San Francisco.
The time required for the moon to orbit around the earth is slightly longer than the earth rotation on its axis. The moon rotates in the same direction that the earth rotates on its axis. Thus, the moon's full rotation requires another 50min or 25 minutes per crossing of the earth's meridian.
Rock layers form when settlements build up over time they usually have to go through pressure and compaction/cementation before this happens
The answer should be 3a-6+14 = 3a+8.
