La oracion pretende: eucerin crema antiestrias un aumento del 28,4%en la elasticidad y firmeza de la piel A) mostrar los resultados de un estudio clinico B) presenta una opinion objetiva para su aceptacion general C) respalda a traves de datos comprobables la eficacia del producto D) ninguna de las anteriores.

C) respalda a traves de datos comprobables la eficacia del producto

Explanation:

The underlined part is "28,4%en la elasticidad y firmeza de la piel" or "a 28.4% increase in elasticity and  firmness of the skin".

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.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

the answer that best explains what happened to george washington at fort necessity, pennsylvania is : washington was attacked by the french but was able to negotiate with them to peacefully end fighting. the battle took place on july 3, 1754. the battle is considered as being the start of the french and indian war.