The BEST conclusion to draw about the economic development of the North African nations is:
- They have formed an international economic alliance
<h3>What is an Economic Alliance?</h3>
This refers to the relationship and economic partnership between two different nations as they engage in trade for profit and also as a means of assisting each other.
With this in mind, we can see that because the North African nations helps the nations in Northern Europe to trade with India and China, then the economic development of the North African nations is that they have formed an international economic alliance.
Read more about economic alliance here:
brainly.com/question/2375779
By developing a set of traditions that its members practice
The correct answer is - rainfall.
The Ogallala Aquifer is a very large aquifer. It traces its origins at the end of the last ice age, where the water from the melting glaciers filled it up. After that initial filling of from the water of melting glaciers, the Ogallala Aquifer has been reliant on the water from the rainfall to fill it, and replenish the lost water.
Since the humans started to use it though, this aquifer has been constantly experiencing decrease in its water levels. The reason for that is that the humans use more water from the aquifer than what the rainfall can replenish, and that is especially a big problem because the aquifer is located in an area where there isn't a lot of precipitation.
Answer:
Tokyo has an area of 2,194 km²
hope this helps!