Answer:
CH4
Explanation:
Combining hydrogen and carbon produces a group of organic compounds called hydrocarbons. Depending on the specific molecular formula, there can be many different types of hydrocarbons, such as the fuels propane and octane. The simplest hydrocarbon is methane, which has the chemical formula CH4.
Solid i believe. hope this helps
Living things:
-made of cells
-reproduce
-react to environment & surroundings
-adapt
-get & use energy
-grow and develop
The modern classification is based on a six Kingdom system-
<span>1- Animalia</span>
2- Plantae
3- Fungi
4- Protista
5- Archaea bacteria
6- <span>Eubacteria </span>
Longitudinal waves move parallel to the direction of wave motion.
Transverse move perpendicular.
