Question

The production of ________ by ________ is thought to be a major contributor to the biodeterioration of stone building materials.

A) oxalic acid / fungi
B) sulfuric acid / sulfate reducers
C) nitric acid / nitrate reducers
D) carbonic acid / lichens

Answer 1

Fungi produce oxalic acid, which contributes to the biodeterioration of stone building materials.

Step-by-step explanation:

The production of oxalic acid by fungi is thought to be a major contributor to the biodeterioration of stone building materials. Fungi, being saprobes, obtain nutrients from decaying organic matter, including dead or decomposing organic material derived from plants.