Many, But the main ones are(in order of importance)
Oxygen
Carbon
Hydrogen
Nitrogen
Calcium
Phosphorus
Sulfur
An ELEMENT has nothing to do with charge.
Lanthanides.
about 106 but there is thought to be more that we have not yet found
3H2O has 6 hydrogen atoms and 3 oxygen atoms.
The elements that make up sugar are carbon (C), hydrogen (H) and oxygen (O).
Actinium is not essential for life.
No, argon is not essential for life. It is used in industrial applications but not essential to biology.
The four elements essential to life areoxygencarbonhydrogennitrogen
i do not know but i think it is not essential for life
A star's colour is dependent on the elemnets within it and its speed away from Earth, not its age.
water, shelter, and are essential for life about the same for fish to
its essential for life because of oxygen, water. and for nutrients