Gimme a riddle lol like a hard one

What is so fragile that saying its name breaks it?

Explanation:

What disappears as soon as you say it's name/ I speak without a mouth, what am I

Explanation:

the correct answer is d

a conference committee is a group of congress representatives appointed by the senate and the house to reach an agreement over a bill that had different versions in each chamber. this is due to the fact that, to pass a law. both the house and the senate must agree on the exact same content and wording of the bill to present it to the president.