What is the one thing that determines the identity of an atom?

Atomic Number

Explanation:

The atomic number tells you the placement of an atom on the periodic table. It is the number of protons found in the nucleus of an atom. All atoms have a different number of protons, thus different atomic number which makes it a good identifier of an atom.  

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

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answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

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