What’s this answer to this ?

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

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if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds