What are the similar in form of elaborate ​

One way to show a character is a) to use dialogue b) use dynamic sentences c) interview friends d) share details

What mistakes are there in the sentence sarahas hands were cold and clammy

While in the capitol, peeta proves to be both an advantage and a disadvantage to squad 451. do you think peeta is more beneficial or more detrimental to the squad? why? your response should be four complete sentences or longer.