Selling on Shutterstock but rejected by Adobe Stock

Here are a sample of images I sell on Shutterstock that Adobe Stock rejected on submission for artifacts & noise, I'm always open to constructive feedback. All helps my learning:

Purple Gold Venetian Carnival Masquerade Mask Stock Photo 740972479 - Shutterstock

Red Rose Frost Stock Photo 751572385 - Shutterstock

Mongoose Bright Orange Eyes Stock Photo 753410254 - Shutterstock

Clam Linguine Pasta Stock Photo 747696772 - Shutterstock

Starling Perched On Tree Branch Stock Photo 768069706 - Shutterstock

Marmoset Sitting On Branch Sunlight Stock Photo 753384733 - Shutterstock

thanks in advance