state gov KPSC Group C Mock Test 2022 General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Consider the following statements about an estuary:
1. An estuary is the place where the river freshwater meets with ocean water.
2. This area is highly productive.
3. This area is highly unproductive.
Which of the above statements is/are true?
1
1 only
2
2 only
3
1 and 2 only
4
3 only