The correct answer is:
comprar persantine sin receta Explanation: Higher quality ads can lead to lower prices and better ad positions.
You can read more here: https://support.google.com/adwords/answer/140351?hl=en
Quality Score: Definition
Quality score is an assessment of the nature of your advertisements, catchphrases, and points of arrival. Higher quality advertisements can prompt lower costs and better promotion positions.
You can see your Quality Score (gave an account of a 1-10 scale) and its parts (expected clickthrough rate, advertisement importance, and point of arrival experience) in the “Catchphrase Analysis” field of your record.
The more applicable your promotions and points of arrival are to the client, the more probable it is that you’ll see higher Quality Scores.
Quality Score is a totaled appraisal of your general execution in advertisement barters, and is not utilized at closeout time to decide Ad Rank.