What Am I Riddles

Question: I am a nice word composed of five letters, but the Romans would call me a numbers.

What am I?

Question: I am longer than trees I am longer than earth ...but lower than grass What am I?

Question: What is as ancient as the earth but new every month?

Question: I talk, but I do not speak my mind
I hear words, but I do not listen to thoughts
When I wake, all see me
When I sleep, all hear me
Many heads are on my shoulders
Many hands are at my feet
The strongest steel cannot break my visage
But the softest whisper can destroy me
The quietest whimper can be heard.

Question: I can hurt and make people bleed when I'm on the dark side, but used in good ways and I can also help you. What am I?