Honestly, I don’t really know. This is pretty concerning cause I draw a lot. And I have art this trimester.
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.
It should be A. Hope it helps :)
I believe the answer is a line
