By eating
They migrated, struggled for life and hunted to find food
By eating
the skills that people of the old stone age used to find food is that they hunted by watering hole's animal may have been wounded by spears and then lured into hidden pits and killed. Some evidence suggest that hunters would herd animals until they were forced over bluffs, falling to their deaths.
you can't.its impossible.EDIT: Wrong. You can find a leaf stone as a random prize in paradise or in the DLC dungeon "Skill Treasury"
Yes, some are difficult to find. You can always go back and find them.
East and South Africa as well as Ethiopia and the Rift Valley.
Personally I think that it is a skill. Some people find it hard to listen while other find it interesting. So its a skill.
you can find a skill tag on mirage island.
you find the hard stone underground
That depends which wolves you've already found and how far you've gotten in the game but i think you're talking about the stone in the hidden village.
Grouping objects is an important organizational skill. You should group like objects to keep things orderly and easier to find or understand.
The Rosetta stone helped to decode the hieroglyphic scripts of ancient Egypt. The stone was recovered in the excavations conducted by the French conquerors of Egypt in 1799.