Electron is the correct answer :D
Hello!
To know how many moles of iron can be recovered from 100 kg of Fe₃O₄ we'll need to use the
molar mass of Fe₃O₄ and apply the conversion factor to go from kg of Fe₃O₄ to moles of Fe in the following way:

So, theoretically, one could recover
1192,68 moles of Fe from 100 kg of Fe₃O₄
Have a nice day!
Joanne has to undergo a Breast Reconstruction Surgery in order to repair her breasts.
Answer:
clastic, organic, and chemical
Answer:
The probability of Janie to have blonde hair would be a slim 13% to a 34%.
Explanation:
Not 100% sure but best estimation I can come up with.