16. Why are estuaries important to our environment? i. They help filter pollutants from the water. ii. They provide homes for many wildlife species. iii. They are important nursery areas for a variety of aquatic life.
A. i and ii
B. ïi and in
C.i and in
D. i, ii, and iii
17. Why is there a need to protect the estuaries and intertidal zones?
A. It is our property.
B. It helps us come up with lessons to discuss in class.
C. It provides vital nesting, breeding, and feeding habitats for many species.
D. It is God's gift to us, thus we can do anything to it for our own benefits. 18. Which of the following situations DOES NOT show way of protecting and conserving estuaries and intertidal zones?
A. Nida dumps his wastes in a proper container.
B. Miggy limits the use of plastic products.
C. Nido uses synthetic fertilizer for his crops.
D. Daisy recycles old things.
19. Which of the following is the impact on the environment if estuaries were damaged?
A. There would be drought.
B. There would be organisms that could be wiped out or lost.
C. There would be decreased concentration of salt in the oceans.
D. There would be less boating, fishing, and swimming in local rivers.
20. Which of the following activities is the MOST environment-friendly? A. Building dams along the river
B. Dumping chemicals into bodies of water
C. Commercially developing coastal watersheds
D. Restoring coastal watersheds from damages​