It shows the atomic number
One possible answer could be that a chemical reaction has occurred.
It is called exothermic reaction because it releases heat and light and it is called combustion reaction because it is reacting and is being oxidised by O2 to MgO.
It can also be called as oxidation reaction since Mg is oxidised to MgO.
Answer:
Option D. The nervous system regulates the movement of the muscular system.
Explanation:
The nervous system regulates the movement of the muscles as they receive signals from both the brain and nerve cells
