How are mosses and ferns different?
A. Ferns reproduce by seeds and mosses reproduce by spores
B. Ferns have vascular tissue and mosses do not.
C. Mosses can transport water through their bodies, and ferns cannot
D. Mosses have internal ovaries and ferns do not

b.

Explanation:

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the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.