29. Which of the following is NOT the benefit or coral reets?
A. Provide rich sources of marine food
B. Provide passage for strong currents to coastal areas
C. Serve as a breeding ground of fishes and other forms of marine life
D. Provide entertainment to people who enjoy exploring underwater marine life
30. The following are the ways of conserving and protecting wildlife EXCEPT
A. Saving endangered species
B. Protecting marine sanctuaries
C. Supporting projects in protecting wildlife
D. Using products made from body parts of animals​