Rocks are a great source of radioactive dating and they are also a great source of many of the rare minerals on Earth. Rocks also lend hand in the Phosphorus cycle, which is crucial all organisms in gaining the element Phosphorus. I can think of many benefits of rocks. They are the like fossilized pages from the past. I cannot think of any negative side effects or disadvantages of rocks however.
obsidian's advantages are its really pretty
The advantages is that it can be a warm climate disadvantantages is extriem weather
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the advantages are vegetables and rice are their basic foods and they are very healthy. The disadvantages are that the food tends to be high in bad carbs, because of the noodles.
They both have advantages and disadvantages, but in my (unbiased? :-) ) opinion Answers.com Rocks!
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Benefits of rocks are when rocks have important parts in them. Like how humans have special or important parts to help them grow.With rocks it's how they break down minerals or sediment.
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