A germ-line mutation in one of the genes implicated in the cancer occurred in an ancestor.
Bedrock striations. Striations are marks or lines in the bedrock caused through glacial movement
That depends on where you are in the world. Due to the fact that America is the ONLY nation in the world who uses the ft/in system, it would most likely be measured in meters.
The one that is true is the last one that you listed
