Answer:
B tectonic plates
Explanation:
I choose this because when the plates move that is how mountains, valleys and volcanoes are made. It is because of the shift.
Tropical rain Forrest do grow narrow especially In the near equator so my answer would be TRUE
HOPE THIS HELPS!
Answer: "cluster" .
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The fact that the Mayans were building great buildings in their period of existence, is a proof that they had a very big political power in the region, and not just political, but also military, economic, cultural power.
Only civilizations that are strong, well organized, and political powerhouses, have been able to build such big structures, because they had the conditions and time for it. For building such big structures, lot of wealth is needed, also lot of workers, and great engineers. The Mayans had it all. They had great engineers, the labor force was provided in general by the slaves, or by the the tribes that they were ruling over, and from all the tributes paid to them by the people they ruled over, they had surplus of wealth, which meant that they can perform such activities without damaging the empire.
