Where would carbon-based life be without carbon? There are 118 known chemical elements ... Credit: NASA Carbon dioxide is necessary for plants to grow, perform photosynthesis, and produce the ...

D espite accounting for around 0.025 percent of all mass on the planet, carbon is vital for life on Earth. This element, ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom.