Depending upon its makeup, marine debris may sink to the seafloor, drift in the water column, or float on the surface. Certain debris, such as plastics, or glass can persist in the marine environment for hundreds of years. The effect on the visual or ecological environment is significant.
At the end of this course, you will have 2 attempts to achieve an 80% or above on the final exam to receive your Certificate of Achievement! Enjoy the course, and please fill out the survey at the end!