We use pens and pencils almost daily. Have you ever thought about the first writing tool? Brushes and sharp metal and bone were most likely the first writing tools. The first pens were probably hollow reeds of the calamus plant. Ink was poured in the stem and squeezed onto the writing surface. Click on the main idea of this passage.
A
The first writing tools
B
The uses of pens and pencils
C
How pens were made
D
Early writers

The answer is A

Explanation the passage talked about the different Writing tools that they have used before the pen

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art.