Water (or some other type of liquid) should be present on a planet harboring living things, as liquids are necessary to:
A. transport nutrients and wastes.
B. cause erosion.
C. start tectonic plate motion.
D. absorb radioactivity.
Answer:A
Water (or some other type of liquid) should be present on a planet harboring living things, as liquids are necessary to:
A. transport nutrients and wastes. B. cause erosion. C. start tectonic plate motion. D. absorb radioactivity.