Liquid ocean and a breathable atmosphere<span />
Answer:
Well, to start, there has to be warm ocean water and moist, humid air in the region. Once that humid air starts flowing upward in a zone of low pressure over the warm ocean water, that water is released from the air and creates the clouds of the storm. Once it starts rising, the air in a hurricane rotates.
Limestone becomes marble :)
I would say A, weather.
I hope this helps! :)
Answer:
Correct answer is the Columbian Exchange
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Explanation:
The Columbian Exchange is the correct answer as during this period many products were exchanged between Old and New World. It is the term that was coined after Christopher Columbus who discovered new continent, thus establishing links between these areas.
All other terms are not connected with this diffusion, therefore only second option is correct.