Answer:
I am your most powerful weapon; I come before your eyes. I help you seek the truth, yet I often give you lies. What am I?
I am the reaction after enjoying soda.
I am a band that does not perform sing or act.
In all the world none can compare I am a tiny weaver my deadly cloth so silky and fair.
Canine children.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.