Question

soils from four different regions were sampled and the data is summarized in the table below.

bedrock ph
soil l limestone 8.0
soil m shale 6.9
soil n limestone 8.3
soil o granite 4.5

which of these soils would create the worst buffer from the effects of acid rain?
choose 1 answer:
a l
b m
c n
d o

Explanation:

Soils with lower pH and non - carbonate bedrock are less effective at buffering acid rain. Soil O has the lowest pH and is on granite (non - carbonate) bedrock, making it the worst buffer.

Answer:

D. O