1.
something that isn't necessary
3.
something enforced by the court
4.
placing things close side to side
5.
changing patterns of shapes and colors
6.
causing annoyance or harm or trouble
7.
freedom from work or duty
9.
inclined to dispute an argument
10.
long duration of own life
11.
glowing impression of light
12.
making a splendid appearance or show
13.
you can also control this
14.
complicated plan or action
15.
Bernoulli was great at physics and ----
16.
style of the middle ages
18.
misunderstanding the meaning of something
19.
a naive act or statement
