Answer:
Horsetails vary in appearance, but they all lack leaves and have no close relatives. The most similar group of plants are the ferns. They use both their branches and their stems for photosynthesis, as opposed to having foliage. The stalks of the horsetails are almost hollow in the center.
Explanation:
<em>B. Mountains grow upward</em>
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Answer:
The homes of the species would be ruined, and they might become extinct.
Explanation:
Pollution causes a lot of bad things to species to homes and them in general.