Help me with these art questions please

1) the dead of winter because
2) the purple flower because all the shapes and colors are the same on both sides.
3) Big Red, there is no pattern to it and it isn’t the same on both sides
4a) the purple flower is radially balanced
4b) the dead of winter in symmetrical but not radially, radially would be symmetrical on every angles.
5) the purple flower uses gradients and bright colors to show light changes and movement.
6a) the dead of winter uses the element of lines and space to created a symmetrical pattern that looks gloomy yet beautiful.
6b) this helps the composition because it shows the mood of the painting

Number three is in the dead of winter because the trees are the same just flipped

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. 

It should be classical period