Which will occur when two organisms in the same habitat occupy the same niche? A. competition

B. mutation

C. geographic isolation

D. symbiosis

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Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

How many electrons can occupy any electron orbital?