Burning coal, gas and other fossil fuels causes carbon dioxide, and it threatens the existence of the reefs. ... carbon dioxide with calcium carbonate in seawater decreases the level of calcium carbonate saturation (Fenner 166). ...

• Word Count: 2520
• Approx Pages: 10
• Has Bibliography
• Grade Level: High School

Critical to life, essential for habitation, used by all, owned by none; without this resource life would not exist, as we know it. This extremely important resource is the Ocean. The oceans are the "lifeblood of planet Earth and humankind"0. In all, the oceans are the Earth's biggest life support sy...

• Word Count: 2631
• Approx Pages: 11
• Grade Level: High School