Answer:
There must be an equal amount of each element on both sides of the equation.
Hope this helps
good luck
Answer:
I think it the carbon 14 which is a half life of 5730 because in 4.5billion years ago I don't think any human being existed on earth I'm not sure I hope that I helped you and good luck .
A heater letting of heat is an example of release of energy. Please comment if you have any questions about my answer.<span />
The factor in determining the average atomic mass of an element is:
B or 2 relative abundance of each isotope because the by looking at how many protons , electrons and neutrons the most isotope is of the element has relative abundance.