It adds volume to the painting and makes it look 3D, without it the painting would look flat and cartoony.
Answer: This is called Surrealism.
Explanation: What is surrealism? Surrealism is pushing the boundaries of standard Impressionism to create wacky, unrealistic, and uncanny pieces to express ones self.
“Fantasy” was included to not only shock the viewers, but also challenge societal norms of art. Other reasons are simple, to express yourself, or to improve beyond portraits.
Answer:
Most common photo apps can crop photos on their own. If the photo is on your phone, you can use google photos or any other default app to crop it and then transfer it to the computer. This can also be done through the computer with whatever app you use to view the photo.
Explanation: