What do you add to an artwork to give it harmony? a - rhythm b - similarities c - differences d - emphasis! i need to know as soon as possible, < 3

Omg this is s easy for me your answer is false

Photography has changed its subject matter quite a lot over the past few years. in the 1800's, it was considered normal for families to have  post mortem photos of their loved ones, and now that would be completely unacceptable. i think that photographers have always pushed boundaries and have been eager to capture everything, it is just society that changes their boundaries.

Answer1 string -e (the thinnest)2nd string-b,3 string -g,4th string -d,5th string-a, 6th string- plz check the answer first good luck

B) 1920s .. is the answer