Answer:
there is no picture try asking a question again :)
Explanation:
They get books to look to see what they can learn to tell people who want to know..it's thanks they ca okay so
Hydrogen and Oxygen. Better known as H2O
Answer:
Fishes are typically divided into three groups: superclass Agnatha (jawless fishes), class Chondrichthyes (cartilaginous fishes), and superclass Osteichthyes (bony fishes). The latter two groups are included within the infraphylum Gnathostomata, a category containing all jawed vertebrates.