The development of the calander shows they can divde the number of minutes hours days month etc in a year. Development of the pyramids shows geometry and engineering. look up to make sure.
It slowly makes the ground softer making it easier for it to dissolve
Bering Strait is between North America (Alaska) and Asia - not South America.
The correct asnwer is: Central America: this includes such countries as Costa Rica, Nicaragua and Panama, together with the Panama Canal which allows ships to cross from the Atlantic to the Pacific. hope this helps
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D. deciduous forest in the south american mountains. thats the only answer that many animals can survive in
India and China because these two countries already have the highest populations in the world, and there are no signs of population decrease.