waste|noun|a spending of money, time or effort with no value gained or returned; something thrown away as having no value; the liquid and solid substances that result from body processes and are passed out of the body
ocean|noun|the area of salt water that covers almost seventy-five percent of the earth&rsquo;s surface; any of the five main divisions of this water
pollute|verb|to release dangerous or unpleasant substances into the air, soil or water
solution|noun|something that deals with and ends a problem; the answer to a problem; a liquid mixed with a solid
expert|noun|a person with special knowledge or training
