Vanitas is a still-life painting style from the 17th century that depicts death with different objects, so D would be the correct answer.
Answer:
people can paint about history and thats how they know about history
Explanation:
You can find it in art history books, Wikipedia
Answer:
Glass is the most common material used to construct lens elements, due to its good optical properties and resistance to scratching. Other materials are also used, such as quartz glass, fluorite, plastics like acrylic (Plexiglass), and even germanium and meteoritic glass.