Statues made from calcium carbonate such as limestone and marble typically wear out slowly over time due to air pollutants. The presence of pollutants like sulfur dioxide results to the formation of acid rain, resulting to the wearing out of the statues. As the concentration of pollutants increases, deterioration of limestone occurs more rapidly.
Guide Question:
a. In Fig. 8, what do you think is the difference between image A and image B when it comes appearance? ____________________________
b. What do you think is the reason for the difference?______________________________
Guide Question:
a. In Fig. 8, what do you think is the difference between image A and image B when it comes appearance? ____________________________
b. What do you think is the reason for the difference?______________________________
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Answer:
a. I think image A has a fairly distinct appearance of the statue, however image B appears to have faded.
b. I believe the difference is due to the fact that the statues constructed of limestone and marble begin to deteriorate over time. The reason for this is that air pollution cause statues made of calcium carbonates like limestone and marble to deteriorate slowly over time. Acid rain is formed when pollutants such as sulfur dioxide are present, resulting in the deterioration of sculptures.
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