human
Question: A scientist was examining a large boulder that was covered with lichens (a combination of fungi and algae). He chipped a piece of the rock and placed it under a microscope. He observed that the surface of the rock was breaking down underneath the lichen. Which was the scientist most likely observing?

Choices:
A) the interaction between abiotic factors
B) the effects of chemical weathering
C) the process of deposition
D) the effects of abrasion
gpt
The correct answer is 1: the effects of chemical weathering.