Which of these formats is available in a Smart Shopping campaign but unavailable in a Standard Shopping campaign?

1. Local Inventory Ads
2. Product Shopping Ads
3. Gmail Ads
4. Responsive Display Ads

Correct Answer:

• Responsive Display Ads

With responsive display ads, you can upload your assets (images, headlines, logos, videos, and descriptions), and Google will automatically generate ad combinations for websites, apps, YouTube, and Gmail. Responsive display ads can be used in Display campaigns.

The responsive Display Ad format is available only in smart shopping campaigns. This format is not found in the standard shopping campaign.

Read more here: https://support.google.com/google-ads/answer/6363750