... severity of the effects of acid rain is controversial. In regions affected by acid rain, structures built from acid-sensitive materials, such as buildings and statues made of limestone and marble, show an increasing amount of damage. Ecological effects, however, have been more difficult to determine because many types of soil and rock are able to neutralize the acidity. However, in ... ...

• Word Count: 632
• Approx Pages: 3
• Grade Level: Undergraduate