Give the names of these gases. Answer: a. The chemical formula CH 4 indicates two types of atoms (C and H). A molecule of methane consists of 1 carbon atom and 4 hydrogen atoms. Similarly, SO 2 indicates two types of atoms (S and O). A molecule of sulfur dioxide consists of 1 sulfur atom and 2 oxygen atoms.
Mudskippers are a type of fish. They are part of a fish family known as tribe Periophthalmini), which is in the family, or type of, Gobiidae (Gobies). They are amphibious fish, which means that they can use their pectoral fins to walk on land.
Generally speaking, a salamander belongs to a group that is somewhere in between the species of fish and reptiles. This group is a herd of back-boned creatures that also includes frogs and toads. AS for the salamander, it looks like a lizard in terms of structure and is cold-blooded.