Maybe goggles to protect her eyes, tie her hair back so it doesn't accidentally catch on fire! and a lab coat if provided, to protect her skin.
Sound would travel faster in a thick piece of metal since the molecules are closer together. However, since there are more molecules, it would be quieter on the other side than the hollow metal.
I think the answer is Extinction
now i may just not understandthe question here but its probs D
Trees, plants, oxygen tank