What is the purpose of nasa and why is it important?

The purpose of NASA is to explore space, its important to us because we can explore further than earth.

Explanation: It is a government agency that was created by Congress in 1958. NASA's mission is to explore space and aeronautics, or flight research. NASA is also responsible for making sure that the United States space program is conducted for peaceful purposes that can help mankind

There are many roles that differ for american exchange students. these include assimilating to the culture of the country that one is in, being able to learn the language and communicate with others, as well as being able to understand what is happening in the courses that are taken.