which process moves ions from an area of higher concentration to an area of lower concentration?\na…

which process moves ions from an area of higher concentration to an area of lower concentration?\na diffusion\nb osmosis\nc endocytosis\nd active transport
Answer
Brief Explanations:
Diffusion is the movement of substances (including ions) from an area of higher concentration to an area of lower concentration. Osmosis is the diffusion of water across a semi - permeable membrane. Endocytosis is the process of taking substances into the cell by engulfing them. Active transport moves substances against the concentration gradient (from low to high concentration).
Answer:
A. diffusion