1 Structured snippet extensions
2 Call extensions
3 Callout extensions
4 Sitelink extensions
Allowing mobile users to directly call a business (2)
Directing users to specific pages of a website (4)
Highlighting value-adding attributes of the business, products, or services to users (3)
Describing features of a specific product or range of products or services offered by the business before users click on the ad (1)
The correct answer for the above question is:
1 Structured snippet extensions
2 Call extensions
3 Callout extensions
4 Sitelink extensions
Here you can read the explanation