As with most locations for settlements in any civilization the key factor is settlements were located in the lowlands where the land was fertile and could be farmed. Geography is very important when a site is picked for settlement. The site must be able to support human activity.
Answer:
cut down on fossil fuels and green house gasses
Explanation:
they are thickening the atmosphere so when the Suns rays enter earth they can't escape
Robert E Lee took over the confederate army.
B. Any unborn child is called a fetus
