Because it is one of the few elements needed to sustain life.
Carbon is present in all organic compounds.
Every single organic thing contains carbon.
Carbon is a common element found in all organic compounds.
Every organic molecule contains carbon atoms.
All organic compounds contain carbon.
All organic molecules contain carbon atoms.
All organic compounds contain carbon; most inorganic compounds doesn't contain carbon.
Basically, organic compounds have carbon. Inorganic do not.
Carbon is fundamental to all organic compounds. Organic compounds contain one or more C-H or C-C bonds. All organic compounds contain carbon, but not all carbon-containing compounds are organic, such as carbon dioxide.Carbon is the foundation for making organic compounds. Every organic contains carbon. Hydrogen is also present in every organic compound.
All organic compounds contain carbon.
Basically, all organic compounds have carbon and organic chemistry is the study of carbon based comounds. Inorganic generally do not contain carbon (with exceptions being carbon monoxide, carbon dioxide, metal carbonates, metal bicarbonates and metal carbides).
All the organic compounds mainly consist of compounds formed by Carbon