Your essay answer should be clear and succinct, amounting to perhaps 3-5 sentences totaling 50 to 80 words; longer essays are strongly discouraged. It is recommended that you prepare your answer in a separate document from which you copy it into Canvas.
Question 1 5 pts
Describe the processes that determine the fate of petroleum leaked or spilled into the ocean and how the characteristics of the petroleum spillage affects its persistence in the environment.
A strong answer will describe the processes that degrade, disperse, or deposit petroleum, citing specific examples, explain the controls on these processes in terms of environmental factors (e.g water temperature) and properties of the petroleum (e.g. volatility, solubility), and refer to the end products from such events.
Question 2 1 pts
Which of the following explanations best explains why plastic debris in the North Pacific accumulates in the region known as the Great Pacific Garbage Patch?
Question 3 2 pts
Which two of the following phytoplankton are species of dinoflagellates that can produce red tides?
Question 4 2 pts
Which two of the following types of ocean pollutant – here associated with their origins from anthropogenic sources – have no natural source?