The best answers for this question would be:
The songs will become more similar to each other.
<span>The frogs have most likely sync their songs with each other, since the female cannot determine the range of the song of the male frog given the environment that they are living in.</span>
The correct answer is letter A, the increased nitrates from the fertilizers leech into the water and cause algal blooms, which take oxygen out of the water and this suffocates fish.
This is one of the many chain reactions that agricultural farming brings to the environment, and it will be very common through the years as people have not figured out a safer way to protect crops.
