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.
Some insects have been know to molt over 20 times in their lifetime, but this process ceases when the insect has reached maturity in it's adult stage. Insects are part of an animal group known as 'arthropods' . Arthropods are known as such in that they utilize hard protective exterior cases known as an 'exoskeleton'. Arthropods contain a host of well-known multi-legged creatures including arachnids (spiders), millipedes and crustaceans (ocean lobsters and crabs).