<span>The challenge of reproducing is one of important manners which distinguishes migratory birds from another birds. The question is that which examples descrbe such manners, and for that, we can choose A, C and D</span>
Answer:
C
Explanation:
it is chemical, not physical
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Hope this helps!
~Courtney
Answer:
Answer is PHOTONS, named by Einstein
It is made from the glycoprotein murein.
