B possibly if there is a passage look in there
Answer:
Specialized workers, complex institutions, record keeping, advanced technology, and advanced cities.
Explanation:
<span>Ecological context
shaped a better interaction as new exchanges of food items were introduced to
both cultures.</span><span>
Various foods and crops grown in the Americas and the other
side of Atlantic Ocean (The Great Britain) were being shared between both of
these cultures in a good way.
</span>
Answer: The rate of Oxygen flow.
Explanation: ...
