Europe and the Americas were once separate. This changed after European explorers reached the Americas. Plants, animals, and bacteria started to be exchanged. This process became known as the Columbian Exchange, and it had huge effects. How could an animated video best add to a reader’s understanding of the Columbian exchange?

by showing the results of the exchange over a long period of time
by showing interviews with people who were there at the time of the exchange
by showing the inside of ships used to cross the ocean
by showing a rough sea that ships might have encountered on their voyages

WILL GET 21 POINTS AND MARKED BRAINLIEST IF CORRECT

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by showing the results of the exchange over a long period of time

Explanation:

This will help the viewer understand how the change came to affect the continent over time

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.

because people what other people gold

explanation: