Fish are aquatic vertebrates with gills, appendages, if present, in the form of fins, and usually a skin with scales of dermal origin. They are the most ancient and most diverse of clad vertebrata
Natural selection<span> is one of the basic mechanisms of evolution, along with mutation, migration, and genetic drift. </span>Results of these processes is the survival and reproduction of organisms which is best suited for their current environment. Hope this answers the question.
Answer: no friction, metal
Explanation: yes
Answer:
16: D edit it ment to be d
17: B
Explanation:
For 16 if you look at the chart you can calculate by seeing what letters intersect which was D.
For 17 it's common sense if you do research.