All life is based on what chemical element?
Life on Earth is carbon-based. Carbon forms bonds with hydrogen and oxygen to create organic compounds.
It is also often said that all life depends on water, meaning that all life requires the hydrogen and oxygen atoms too.
When it says 'life is carbon-based', it literally means just that. All forms of life are built off of the element Carbon, which is number 6 on the periodic table. All life is built off of carbon. Nothing can be considered life unless it has traces of carbon. For example, DNA is the base of human life, and carbon makes up most of the DNA, so when it says 'life is carbon-based', it means that…