For the answer to the question above, I think that <span>Mendeleev's eka-aluminum is what we know today as <u><em>GALLIUM</em></u></span><u><em>.</em></u>
or the era of Mendeleev is <u><em>Aluminum</em></u> which is that <span>it would <u><em>be a soft metal with a low melting point.</em></u></span>
I hope my answer helped you. Have a nice day!
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Answer:
Explanation:
1.Variation is the result of speciation as species have evolved over time to adapt to enviromental changes
Allopatric Speciation or/and Sympatric Speciation! :)