an increase in a food source more frog breeding grounds native wetlands preservation poisons dissolved in the water
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The mountain chorus frog is an endangered species in Maryland. In addition to the loss of habitat, what most likely caused this frog population to decline?
Possibilities:
- an increase in a food source
- more frog breeding grounds
- native wetlands preservation
- poisons dissolved in the water

poisons dissolved in the water