Explanation:
Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus Rattus. Other rat genera include Neotoma (pack rats), Bandicota (bandicoot rats) and Dipodomys (kangaroo rats). Rats are typically distinguished from mice by their size.
Answer:
No atoms are created or destroyed in chemical reactions.
Explanation:
Matter cannot be created or destroyed. When two reactants contact each other, a chemical reaction occurs which breaks the bonds between atoms and rearranges them, forming new bonds which transform them into the product. The same amount of atoms exists before and after the reaction.
A gas giant is a large planet composed mostly of gases oftentimes are hydrogen and helium. The gas giants of our solar system are Jupiter, Saturn, Uranus and Neptune. They all have very, very extended, thick atmospheres, dominated by hydrogen and its compounds. As a result, they are much more massive and larger than the terrestial bodies.
