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.

study of past cultures

answer

the statement that best describes president carter’s attempt to free the hostages in iran is c. all of the attempts failed.

explanation

the operation eagle claw conducted by the united states armed forces was a failed mission which aimed to rescue 52 americans captured as hostages in the american embassy, tehran on 24/4/1980.the mission was authorized by president jimmy carter. the failures included;   obstacles in operation that included operational conditions challenges caused by sandstorms, hydraulic problems of one the helicopters and , mechanical failure of another helicopter that was identified as a cracked rotor blade and the crashing of another helicopter during mission abortion causing death of 8 service persons.