a conservator is working to restore a large marble statue from a Greek temple by scrubbing it with water and soap. What is a likely drawback to the preservation?

a breaking off large sections of marble during scrubbing
b removing the aged look of the statue during scrubbing
c wearing off small bits of marble with the scrubbing
d breaking down the chemical composition of the marble with scrubbing

c wearing off small bits of marble with the scrubbing