Unlike identical twins fraternal twins

One of the most observable differences between identical twins and fraternal twins is their faces. Identical twins have almost similar faces, that’s why it’s termed ‘identical’ and it’s hard for people to distinguish who is who without much observation. Fraternal twin have different faces but are born on the same day with little time difference.

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human impact on the environment can be seen in the deterioration of the !

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not sure if this is what you'r looking for eubacteria and archaebacteria