Answer:
Answer is D. All of the above
The answer is A, you must repeat your experiment to ensure you results are accurate. That is the best way to know for sure and it is what you must do to every experiment.
Answer:
Explanation:
⁵⁹₂₆Fe --------- ⁰₋₁e + ⁵⁹₂₇Co
Co- 59 is known as Cobalt
its symbol is ⁵⁹₂₇Co
Just count the number C’s and H’s
I believe that A is the answer