Mod+4+Acid+Rain

ACID RAIN! 

This is the cycle of acid rain.

__**Frogs**__ **  may tolerate relatively high levels of acidity, but if they eat insects like the mayfly, they may be affected because part of their food supply may disappear.

Acid rain ** eats **away at** __stone, metal__**, paint -- almost any material exposed to the weather for a long period of time**.

** Here is a way for you to observe the effect of acid rain on marble and limestone, two building materials commonly used in monuments, ancient buildings, and in many modern structures. **  Acid rain" is a broad term used to describe several ways that acids fall out of the atmosphere. A more precise term is acid deposition, which has two parts: wet and dry. [|**brennan45**] ·  ·  · [|My Account] · Help · [|Sign Out] ·   Mod 4 Acid Rain Edit
 * **Place a piece of chalk in a bowl with white vinegar. **
 * **Place another piece in a bowl of tap water. **
 * **Leave the dishes overnight. **
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