Identify two crops that were planted together and explain why Mayan farmers combined these crops.

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Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting

What if the united states, mexico, and canada took the eu’s example and joined to forms north american union ? based on your knowledge of the europe union, describe two setbacks or hurdles that this idea might face