Im confused. I uploaded a variety of different pictures and most were not accepted.

What rejection reasons did Adobe Stock give for not accepting the images?

Adobe Stock customers expect the highest visual and technical quality for use in commercial projects.

• https://helpx.adobe.com/stock/contributor/help/reasons-for-content-rejection.html
• https://helpx.adobe.com/stock/contributor/help/quality-and-technical-issues.html
• https://helpx.adobe.com/stock/contributor/user-guide.html/stock/contributor/help/photography-illustrations.ug.html
• https://helpx.adobe.com/stock/how-to/tips-stock-image-acceptance.html

Although cell phone photos are accepted, they aren't great tools for stock photography because of their limitations with quality and controls.  If you have an interest in Stock Photography in particular, I would consider a camera and with a larger sensor and quality lenses.

1. Some artifacts in the sky and halos along the edges of most objects

2. Over saturated and the greenery in the foreground has an odd, perhaps over-sharpened texture

3. The design in the cup would have needed a product release due to IP

4. Halo along the dog's back, distracting blurry foreground 

Hello,

Are these the original images? Did you compress them for uploading on here?

You have JPEG compression - it's noticeable in the sky:

Notice the blocky pixels.

Take note of your original uploads. Look for artifacts and JPEG compression.

Examine your photos at least 100% and even greater to be aware of such things.

The images also appear to be over-sharpened and somewhat too much saturation as in the rock formation shot.

So, quality could be better!