Which plant part is not involved in its reproduction?

These sterile parts are not directly involved in the fertilization process. Technically, a flowering plant can reproduce without them; however, they do play important roles in helping with reproduction. Sepals are the parts that look like little leaves that cover the flower before it blooms.

the petals are not a part of the reproduction

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

i believe your answer would be c.. : )