What’s an advantage of the reach of Responsive Display Ads?

They automatically adjust your creative asset’s size, appearance, and format to fit just about any native or non-native ad slot.
They automatically adjust your creative asset’s size, appearance, and format to meet your exact branding requirements.
They allow you to manually adjust their size, appearance, and format to meet your exact branding requirements.
They allow you to manually adjust your creative asset’s size, appearance, and format to fit just about any native or non-native ad slot.

The correct answer is:

They automatically adjust your creative asset’s size, appearance, and format to fit just about any native or non-native ad slot.