Hello!
"B" P<span>unctuated equilibrium.
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But I would hardly call coelacanths "primitive" fishes though for more further information (That's another long story lol), but yeah, the Correct Answer in this case is 100% Option "B".
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D. Chlorophyll a
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1.An open mind
2.Curiosity
3.Flexibility
4.Creativity
5.Patience and
6.Observation skills
The air that we breathe in is an example of solid solution