8 E 1.1-1.4 Test Review

Front

What is the largest source of dissolved oxygen in the ocean?

Back

Algal Growth

Front

What is a key way to protect water for human consumption?

Back

Improve water quality standards for industries located on lakes and rivers.

Front

What factors best determine the health of a lake used for freshwater?

Back

Temperature and pH.

Front

Why are water quality standards created for heavy metals?

Back

Heavy metals are linked to toxicities in humans and large amounts should not be consumed.

Front

How does temperature affect the amount of oxygen in ocean water?

Back

The amount of oxygen in ocean water increases as temperature decreases.

Front

What role do coral reefs play in ocean ecosystems?

Back

Coral reefs provide habitat and support biodiversity, but they are not the largest source of dissolved oxygen.

Front

What is the impact of tidal action on ocean water?

Back

Tidal action helps circulate water and can influence oxygen levels, but it is not the primary source of dissolved oxygen.

Front

What are hydrothermal vents and their significance?

Back

Hydrothermal vents are openings in the sea floor that release heated water and minerals, supporting unique ecosystems.

Front

What is the importance of improving water quality standards?

Back

Improving water quality standards helps protect human health and the environment from pollutants.

Front

How do heavy metals affect water quality?

Back

Heavy metals can be toxic to humans and wildlife, leading to health risks and environmental damage.