Exam 18: The Ocean and the Environment

In some cases, areas where oil spills were cleaned had communities in worse shape than in areas where an oil spill was left alone.

Approximately 70% of discarded plastic sinks to the bottom of the ocean.

Which is not a reason why a refined oil spill is more harmful?

What are some of the dangers corals have to face right now? What impact will global warming have on these factors?

What determines an organism's response to a particular pollutant?

What is a biodegradable pollutant?

How are pristine conditions of the atmosphere determined?

Where does the largest addition of oil to the ocean come from?

Phytoplankton productivity has dropped by 9% in the last 20 years.

What is a feasible alternative to fossil fuels that might be able to generate enough energy to meet the world's needs?

What have been some of the causes of the increased amount of oil found in the ocean? What is the largest source of additional oil?

Which habitat is the most impacted by pollutants?

Some pollutants are able to persist in the environment for thousands of years.

What is favorable news associated with global warming ¾ perhaps one of the few advantages?

How do many exotic species find their way to new waters?

There is no commercial fishing allowed in national marine sanctuaries.

The carrying capacity of Earth has not quite been reached yet which is why our population is able to grow.

Spills of refined oil are generally larger than those of crude oil.

What is the difference between crude oil and refined oil? What effect do these differences have when spilled into the environment?

What could happen if global warming were to continue?