How did da vinci create a mood in the mona lisa?

One reason people like impressionism is because it seems a )so easy b) very moral c) optimistic d) to be about important events

The first c. d. was released after the phonograph. 75 years 200 years 100 years 50 years

Ineed this to be answered fast and you i would appreciate it1. what benefits are there to using an online filter app? 2. of the apps you researched, which would you choose to edit your own photos? why would you choose this app over the other ones? 3. if you could choose between using the camera accessory filters that connect to your camera or the photo editing app filters, which would you choose and why?