Answer:
Either the cell wall or the cell membrane.
Explanation:
All cells have cell membranes which line the outside of the cell, and some cells have cell walls, which also line the outside of the cell. Since all cells have cell membranes I am inclined to believe that the correct answer would be cell membranes.
I hope this can help some.
Either B and D I believe I may be wrong..
Fe2O3 + 6HCl -> 2FeCl3 + 3 H2O
If you count the number of each elements on both sides, they are equal. If you need me to explain this better, let me know and I would be glad to help
It provided people with 1 of their most basic needs, a dependable supply of food