CLEAN : Mourners gather around body of Palestinian killed in Israeli WB raid

What is the primary focus of the introduction section on reefs?

• The basic concept of a reef

• The threats to reefs

• The types of marine life in reefs

• The history of reefs

Which of the following best describes the structure of a reef?

• A floating mass of seaweed

• A flat, sandy area

• A complex, rocky formation

• A deep ocean trench

What are the main types of reefs discussed?

• Mangrove and seagrass reefs

• Coral and artificial reefs

• Barrier and atoll reefs

• Rocky and sandy reefs

Why are reefs considered ecologically important?

• They are a major source of seafood

• They are used for oil drilling

• They are a source of fresh water

• They provide habitat for diverse marine life

What is a key focus in the conservation of reefs?

• Building more artificial reefs

• Reducing pollution and overfishing

• Increasing tourism

• Expanding coastal cities