Johannes Brahms, who was not fond of protocol, probably wrote his
"Academic Festival Overture" with a
humorous twist because
A. he wanted to be remembered as a happy man.
B. he felt pressured to write it as a token of thanks
for an honorary degree.
C. he was trying to cheer himself up.

maybe a it is either a or b

changeable lenses of different focal lengths allows light to enter the camera,which then forms the image on light-sensitive film;

nope becasue a mosque is a place where muslims pray to god, but the taj mahal was built by (forgive me) someone for his wife. i dont think anyone prays there. also a mosque is for muslims but indians are hindi.