Conversion Tracking Helps You Improve The Return On Investment (ROI) From Your Online Advertising Because It:

focuses on getting customers to complete an online purchase
automatically gives you personal details about the people who convert
shows you which ads lead to customer actions that have value for your business
measures trends relating to the search terms people have used before seeing your ad

The correct answer is:

shows you which ads lead to customer actions that have value for your business

Sources: Google Ads Fundamentals Course

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