Answer:
C) respalda a traves de datos comprobables la eficacia del producto
Explanation:
The underlined part is "<u>28,4%en la elasticidad y firmeza de la piel</u>" or "<u>a 28.4% increase in elasticity and firmness of the skin</u>".
In the context, the sentence is talking about a anti stretch cream called as EUCERIN ANTI-STRETCH CREAM. It says that if women use the cream for about eight weeks, they will get a good skin tolerance and it is clinically proven that there is increase in elasticity and firmness of the skin by about 28.4% after using this anti-stretch cream.
Thus this shows the effectiveness of the cream and they have also provided a verifiable data along with it which is verified and proven in chemical testing of the cream.
The 21st amendment to the united state constitution repealed the 18th emendment to united states contitution.
There was a contested election but Adam's won
Ending slavery means it will stop for sure, mean while ending the slavery trade means you won't be making more trades but slavery still exist.
Hope this helps! :)