We can not say that this areas are not civilized or to call them backwards. We may call them different. We can take for example the uses of animals in order to expand the commerce of their area. If we research about the use of camels, for example, we could see that it gained an special place within those who wanted to travel through many difficult areas like deserts. So in the case of camels they were not backwards, they used a different method to obtain success
A succession of ocean waves set in motion by a submarine earthquake (also known as underwater earthquake) is called a tsunami. This happens when tectonic plates move, converge, or subduct. Submarine earthquakes are common in Asia where there’s a submarine earthquake zone called Pacific Ring of Fire.
Fracture is the tendency of a mineral to break along curved surfaces and non-straight surfaces. Cleavage is when it breaks into flat pieces.
Hope this helped!
Answer:
The best answer is mountains and valleys
Explanation:
first option doesn't seem correct because it doesn't have one giant plateau. Instead it is multiple. so that option is incorrect.
second option is incorrect because there really is no evidence about plains and hills.
third option is incorrect for the same reason as second option.
The Fourth option is correct because Sub-saharan contains mountain ranges and multiple rift valleys.
(have a nice day and soon merry christmas or happy Hanukkah)
A line segment on a graph would be any line that isn't continuous. It would have dots on the ends instead of arrows. Is that what you're asking?