Final Exam

Front

What is reverse osmosis desalination?

Back

A process that removes salts and impurities from seawater to produce freshwater, but it is energy-intensive and generates brine waste.

Front

What is a drawback of reverse osmosis desalination?

Back

It is energy-intensive and generates brine waste.

Front

What is cultural eutrophication?

Back

Over-enrichment of water with nutrients from human activity, leading to excessive growth of algae.

Front

What are the two major issues with nonrenewable energy sources?

Back

Environmental impact and limited availability.

Front

What percentage of Earth's water is saltwater?

Back

97%.

Front

What is the primary function of a wind turbine generator?

Back

Convert mechanical energy into electricity.

Front

What is brine waste?

Back

Highly concentrated saltwater produced as a byproduct of desalination processes.

Front

What is the impact of cultural eutrophication on aquatic ecosystems?

Back

It can lead to oxygen depletion, harming fish and other aquatic life.

Front

What are nonrenewable energy sources?

Back

Energy sources that cannot be replenished in a short time, such as fossil fuels.

Front

What is the significance of the 97% saltwater on Earth?

Back

It highlights the scarcity of freshwater resources available for human use.