It's know as chemical equilibrium
The first one with the boxing crab and anemone is mutualism.
The second one with the dog and flea is parasitism.
Answer:
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This contains some rude words, Because of that I couldn't write in this platform
Answer:
B, a day would be exactly the same as a year.
Explanation:
I <em>think</em><em> </em>that it would mean that a day would be exactly the same as a year (B).