4 A Coral Reef B. Rocky Shore C. Mud Flats D. Salt Marshes 2. What matter results the marshy component of salt marshes? A. Decomposing plant matter in area B. Decomposing rocks in the area C. Decomposing plastic in the are D. Decomposing shells in the area 3. The local government wants to protect the coast from the strong winds and tides. What possible action they are going to do? A Plant bamboo trees B. Plant more fruit baring plants C. Plant more mangroves D. Plant more grass As a Grade 5 pupil of Tiglawigan Elementary School, what would be the best practice that you are going to do to protect our estuaries? A. Burry the non-biodegradable materials near to the shore. B. Cut down mangroves that grow taller C. Use used tires as plot for home gardening D. Collect mangrove seeds and plant it inside the house. 5. What physical subdivision of estuaries are more land than the ocean? A Middle Intertidal Zone B. Splash zone C. Lower intertidal zone D. High intertidal zone There are a lot of ways to protect our estuaries and intertidal zones. The following are ways to protect them EXCEPT: A. Leaving coastal areas clean. Always pick up trash and dispose it. B. Avoid throwing of trash out to the sea when riding on a boat or ship C. Planting more trees, especially mangroves D. Throw chemical substance in waterways near to the rivers. 7. It is important to protect and conserve estuaries and intertidal zones. Which of the following is the reason why we need to protect them? A. because they serve as sources of food, livelihood, and life B because they are our sources of fun and enjoyment C because they serve as our house D. because they give us shelter, water and cloths 6 ws no​