Answer:
Autotrophs
Explination: They are called this because they use the energy and simple inorganic compounds to produce organic molecules.
There are
50 protons in tin
50 electrons in tin
And 69 neutrons
Hope this helps
Atoms in molecules share pairs of electrons when they make ionic bonds.
The answer is: an "instinct" .
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Answer:
i don't really know but good luck
Explanation: