If a compound is heated it will break down to two or more substances and these can be elements or compounds. So, if we have calcium carbonate and we heat it, it breaks down to produce calcium ...

2011). It is clear therefore that some subducted carbonate can reach the lower mantle. The next question we set out to answer was what happens to this material in the lower mantle? To answer that ...

Cement production is the second-largest industrial contributor to global greenhouse gas emissions, but its carbon footprint ...

It is then shaped and compressed so the calcium carbonate particles bond and solidify. Heat is applied in the final stage to complete the process. The scientists discovered that the concrete ...