Answer:
A.
4Fe + 3O2 2Fe2O3 .........................
I would select A. Nitrogen due to the fact Nitrogen is found in most soil samples and Aluminum and mercury are metals. Also, limestone i don't find beneficial to plants whatsoever.
Answer:
making a diet plan cut the amount of food you eat and start working out daily
Explanation:
The answer is the last one d
Could you maybe show the table, that way it would be easier to solve it, please.