C. Combine with new atoms
This is how things are made, like oxygen (O2) and hydrogen (h2) combine to make water (H2O)
C planting more vegatation
Genetic information.The main job of DNA is to carry the code for making protein.A gene is a stretch of DNA that can be read by proteins called ribosomes, and copied I to type of nucleic acid called massenger RNA.
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.