Answer:
The correct option is: D. residual mineral deposits in soil that have everything leached out but the aluminum
Step-by-step explanation:
Bauxite is a type of sedimentary rock that is rich in aluminium. Bauxite is known as the world's primary ore for aluminium and main source of gallium, which is a rare metal.
Bauxite is produced majorly in Australia and China. It is formed from laterite soil and is commonly found in subtropical or tropical regions.