How did the aztecs use resources in the region? a- since mostly farmers lived in the region, each civilization used the same amount of resources. b- the aztecs had advanced techniques that required fewer resources than the olmec and maya. c- trade and tribute gave the aztecs more resources than the olmec and maya. d- aztec farming methods caused them to use more land than olmec and maya farmers.

Explanation:

Aztecs had amazing skills for trading. The tended to trade a lot of stuff, like food, jewellery even they used barter methods in their markets. They had like market center where all people who did this job could trade easily.

health care plans in the united states having high costs because they are focusing on providing quality programs for different groups of individuals. the quality of the service is based on money flow received from the members. without this investment, couldn't be possible a constant scientific searching to prevent death and illness caused because of low levels of health investigation. currently, the complaints are not about the highest cost, but about the coverage and benefits to access the necessary health services required by the members.  

besides, if a global health system is established the quality levels will fall down because of the standardized of the health. the access to care will increase but the quality will be low because it depends on the money invested.

the answer is a

explanation: