Describe how scarp retreat causes the development of canyon landscape​

While most people who lived in ancient egypt and the middle east avoided settling in nearby deserts, those regions protected them from their enemies. why do you think this was true?

Which area on the map would be most likely to have the most oil exploration in since the start of the 21st century? a) b) c) d) plz me

What two advantages do the coastal countries of west africa have over the sahel countriesfertile soil and mineral resources temperatures and terrain human resources and natural resources weather patterns and location