Answer:
Option 3
Explanation:
Options for the question
- Organisms that eat algae
- Organisms that live on farms
-
Organisms that eat fish and shellfish
- All of these
Solution
The water of pool becomes oxygen deficient due to over growth of water plants in lieu to flow of fertilizers from farm land into it.
This will adversely affect the organism depending for oxygen in pool water. Thus, the population of fish and shellfish reduces. Now the population of organism that depends for food on fish and shellfish will also reduce. Hence , option 3 is correct
What are the choices ?
This is what I know
The 3 types of migration push and pull factors are : Environmental, Economical, Cultural
So I hope they are one of the choices :)
The correct answer should be B. decreased immigration
Immigration was not decreased, it was high and therefore people needed more land and they expanded.
the answer to the question you seek is true not every countries marks nuclear waste as the same