Write the balanced chemical equation when carbonate ores are heated in a limited supply of air.​

MCO₃ (s) -> MO (s) + CO₂ (g)

Explanation:

M = a metal

This process is called calcination and is generally used to remove impurities. It's most common use is to remove carbon from limestone.

CaCO₃ (s) -> CaO (s) + CO₂ (g)

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

11 players on a field that has a maximum of 11 players