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>
If an animal cell is surrounded by fresh water, the water will move within the cell causing the cell to become turgid and eventually will burst.
Therefore the most suitable answer is option D.
The answer is the control group.
the group in an experiment that is not exposed to the tested variable is called the control group
Answer c is correct great job