Assuming you submitted a signed model release, both images suffer from poor lighting.
Before you submit, check images at 100-300% magnfication. Look at the Histogram panel in Photoshop or Lightroom. Correct defects if you can, discard the images you can't. Then compare your best work with other Stock Inventory in this keyword category.
Is your work as good or better than what's represented?
Is this something people will buy?
What will they use it for?
If the answer to any question is "I don't know," it's probably not right for Stock.
Adobe Stock customers expect the highest visual and technical quality for use in commercial projects. Read these links carefully.