Answer:
Geothermal
Explanation: because it comes from the earth
Answer:
I don't sorry
Explanation:
U should try asking the individual questions here on brainly, and if that doesn't work u should try quizlet. Hope I could help
Answer:
im not entirely sure, but it i think it was the slash and burn. (it might not be a system though)
Explanation:
..
It affected them immeasurably because it enabled them to trade this surplus of food for things that they might need from other countries and thus get other pieces of technology or knowledge or anything similar. They could improve their state that way and that's how development of civilizations began.