Answer:
Genghis forged the empire by uniting the nomadic tribes of the Asian steppe and creating a devastatingly effective army based on fast, light, and highly coordinated cavalry. Expert horsemen and archers, the Mongols proved unstoppable, defeating armies in Iran, Russia, Eastern Europe, China, and many other places.
Explanation:
The approximate average ocean depth along the continental shelves bordering North America is 3958m. The average depth of the continental shelf, however, is 200m
The answer to this is is Spain, France, and the Netherlands.
I think thats the answer. They helped the united states and Canada.
The ocean crust is known to show a sequence of magnetic polarity given that it shows us that there is the formation of a new sea floor at the mid ranges of the ocean. This is where they are seen to separate from themselves on the sides of the ridge.
<h3>What is seafloor spreading?</h3>
This is the term that is used to refer to the spreading that occurs at the mid ocean ridges. These are the areas where the new oceanic crusts get to be formed.
Hence we can say that The ocean crust is known to show a sequence of magnetic polarity given that it shows us that there is the formation of a new sea floor at the mid ranges of the ocean. This is where they are seen to separate from themselves on the sides of the ridge.
Read more on seafloors here: brainly.com/question/23287809
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