Answer:
1.) Wet On Wet Paint
It's a technique where the paint is directly applied on the canvas, without any treatment, creating a wet effect, and careless.
2.) Impasto
It is a technique used in painting where paint (particularly oil) is spread over an area of the canvas, or even across the canvas, so thickly that the marks of the objects used for painting are visible.
3.) The watch tower with the boats
Pointillism is a painting technique, derived from the impressionist movement, in which small spots or spots of color cause, by juxtaposition, an optical mixture in the eyes of the observer.
Explanation: