The potential energy changes into kinetic energy. :)
Phylum. The classification system goes: Kingdom, Phylum, Class, Order, Family, Genus, Species. Anything that shares a class also share anything above it.
B. DNA.
hope this helped!
Taxonomy is the science of naming and classifying organisms based on structural comparisons and genetic evidence.
2 is B. Water freezes and 4 is the rock breaks.
