Answer:
Early humans survived because they created tools to fight and hunt for food. Also the creation of fire helped keep them warm and dry. Light helped scare predators and animals away.
<span>Before launching the craft on 11 April 1970, several experiments wer made in oder better knowlegde and experience to be gained for the mission. The experiments included launching free-flying vehiclesto simulate landing on the Moon's surface. The Astronauts made simulations inside NASA facilities to be better prepared for the space.</span>
Answer:
the US put themselves in icolation and ignores the rest of the world
Chinese River Valley civilization<span>although it was from 8000 to 2000 BCE
They used the river for irrigation and they raised pigs and chickens. Used stone tools</span>