A fuel cell works like a battery. It consists of two electrodes where the reactions would occur and an electrolyte solution which allows for caharged particles to flow. In a fuel cell that uses hydrogen and oxygen as reactants. The hydrogen would enter the cell at the anode where oxidation would happen. So that the species that is formed in the anode side would be hydronium ions and electrons. The oxygen, on the other hand, would enter the cathode electrode where reduction occurs. The species that are produced in this side of the cell are water molecules. Together, the net reaction is called a redox reaction.
Neutrons are the subatomic particle that remain neutral.
Bottom of the meniscus is the best answer for most liquids. Another correct answer would have been the center of the meniscus.
The ovules becomes a seed, the outer part of it is a seed coat
