The answer would be D or 4. He often incorporated letters and numbers into his paintings.
Tropics- Most tropics are close to the equator, much hotter than any of the polar zones
Temprate- located in areas including the us, europe australia any place in the middle of the equator ir eaither polar zones
Polar- Explaintory! Antarica and North Pole! Coldest place on earths
Music a global phenomenon. People around the world appreciates music even though they don't understand the lyrics (because of the language). Music is a universal language. It makes people unite. For example, the recent famous song from Disney called "Let it Go". People around the world made different translations just to sing that song. I also agree to what sanaybrown posted, it's a way people express their feelings.
Vanitas is a still-life painting style from the 17th century that depicts death with different objects, so D would be the correct answer.