Answer:
I'm not sure if this is what you wanted but hope this helps.
Answer:
Art history is important because, we can learn different writings that they wrote on walls, but just with pictures.
Explanation:
By looking at a work of art's symbolism, colors, and materials, we can learn about the culture that produced it. We also can compare artwork, which provides different perspectives, and gives us a well-rounded way of looking at events, situations, and people.
Answer:
more nitrogen gas became present in the atmosphere
