<span>By far the greatest impact of seedless vascular plants on human life, however, comes from their extinct progenitors. The tall club mosses, horsetails, and tree-like ferns that flourished in the swampy forests of the Carboniferous period gave rise to large deposits of coal throughout the world.</span>
Answer:
It exposes rocks to increased rates of erosion and weathering. It limits the exposure of rocks to acid precipitation.
Explanation:
The answer is "a" if the second word is "bends" not "burns".
Cellular respiration : aerobic :: fermentation : anaerobic
