Answer:
Tea plantations were established in Sri Lanka by a former European colonial power.
Explanation:
Organizing is the second part of the perception process, in which we sort and categorize information that we perceive based on innate and learned cognitive patterns. Three ways we sort things into patterns are by using proximity, similarity, and difference (Coren, 1980
This very much depends on your school, but a common rule for most is that you must pass all of your classes no matter what you choose.
In some states there are state tests you must pass to graduate as well. For me, I had to take an Algebra State Test to pass 9th and continue.
They would be concerned becuase they affect they area with the symptoms/problems and they would aid them because they are most ways common symptoms are found and usually help find more problems