Answer:
The chemical equation needs to be balanced so that it follows the law of conservation of mass. A balanced chemical equation occurs when the number of the different atoms of elements in the reactants side is equal to that of the products side.
I mostly believe in between D and B beacuse K3po4 and caco3 is not an element equation
When you say mhello les do uou mean moecules
<span>The superscripts in an electron configuration represents the number of electrons and protons in an element. </span>
Answer:
the speed of the earth's rotation, the tilt of the earth's axis and the directness of the sun