B. It keeps the bones from rubbing together. If the cartilage wasn't there, the bones might try to fuse. With some people, the absence of the cartilage would result in arthritis.
Answer:What traits does the kingdom protists fall under
Explanation:
All protists are eukaryotic organisms. ...
Most protists are aquatic, others are found in moist and damp environments.
Most are unicellular, however, there are a few multicellular protists such as the giant kelp.
They may be autotrophic or heterotrophic in nature.
Answer:
B) Valence electrons
Explanation:
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Answer:
When precipitation falls over the land surface, it follows various routes in its subsequent paths. Some of it evaporates, returning to the atmosphere; some seeps into the ground as soil moisture or groundwater; and some runs off into rivers and streams.
Explanation:
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http://www1.lsbu.ac.uk/water/cellulose.html
