Answer:
the release of green houses gases and other pollutions.
The great plains. Hope this helps!
Economics
The treasure fleet voyages cost Ming China vast amounts of
money and brought nil returns since they were not trade excursions but only
brought back exotic novelties. As a result, the government recovered little of
the cost. Moreover, China was self-sufficient and did not need anything from
the Indian Ocean countries
Answer: america is becoming more overweight because of fast food culture and the expansion of companies such as Nestle, McDonald's ect
Explanation: