The person most often called the "first civilized american" was
benjamin franklin
Astronomers have been trying to figure out how many galaxies there are in the cosmos for a long time. To get their estimate, they employ a technique known as "representative sampling." They count the number of galaxies in each sector by dividing the sky into equal-sized parts.
Answer:
C. A. C
Explanation:
You may wanna double check the 2nd one (A.) because it was kinda hard to read the exact amount but i'm pretty sure its A because its the only one to make statistical sense, but double checking is never bad.