Ocean plants absorb co2 just like trees do. Any co2 that’s not fixed will mess up the chemistry of the waters
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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 phenomenon is called an equinox. More specifically when it is September it is called the autumnal equinox ,and when it is March it is called the vernal equinox. Hope this helped!