Answer:
heat can move from any source but if we are being legitimate it moves from convection
Explanation:
These are called subscript number.
That is the number below the normal line of test are called subscript number.
This number indicate the indicate the number of atoms of the element present in the chemical formula.
In both of these C₆H₁₂O₆ and H₂O, the number written below the line of the text are called subscript numbers.
You always adjust numbers and it will be before the element
so you Neva add or change a subscript