It produces water to area's away from the ocean and it is also used as a barricade in a few ways. It would take enemies longer to attack them so it gave them time to prepare.
Answer:
Farming meant that people could get food more reliably than they did as hunter-gatherers, and on a very basic level, that meant that more humans could survive
Paleontologists can be misled by their observations of fossils because they generally do not find species that are not widespread. They find fossils of species that are widespread and present on the Earth for long periods of time.
