Adobe TOLD you already. What reason did they give for each one? We can often help understand the reasons in more detail.
Don't upsample with PS
Don't resize it, makes a mess
Don't upsample with AI
Just don't, or your pics will die
View it at one hun' percent
Nasty pixels will present
That's the rule from great Adobe
Make it big but not a phoney
No one is going to take the time to look at 10 images and provide feedback. Please limit your submissions to 2-3 images, since they probably have similar issues anyway.
imgonline-com-ua-resizeMPXRjkafZZcijlW.jpg - extremely blurry
imgonline-com-ua-resizeMPXQlwGuNnp0KF4.jpg - blurry
imgonline-com-ua-resizeMPXHzccqvquCE0Y.jpg - blurry low quality
All you files are damages. They have the quality of thumbnail images. You can learn more about what to look for and what to do to produce better images for Adobe Stock here and what to look out for and how to go about looking for issues here.
Read the Stock Contributor User Guide. The information it contains is very important.