They are fossil records, the <span>geographic distribution of living species</span><span>, homologous structures of living organisms, and </span>
<span>embryology</span><span />
The answer to the question is super bacteria i.e oil eating microbes. The bacteria occur naturally in water and when they come in contact with oil, they eat it producing the byproducts carbon dioxide and water. When fertilized with nitrogen and phosphorous they grow in size and multiply and their appetites become prodigious.
