Please give the exact refusal reason. This is important so that we do not need to guess.
You may also look up the contributor documentation for more information about refusals. https://helpx.adobe.com/stock/contributor/user-guide.html?topic=/stock/contributor/morehelp/review.u...
First picture (sunflower) is out of focus and badly framed.
Second picture has colour noise and the exposure should be improved. In addition , the guy in the background is disturbing.
I'm moving this thread to the correct forum.