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zhenek [66]
2 years ago
6

!!!!!PLEASE HELP!!!!! #3 and #4 are the ones i need help on

Biology
2 answers:
vfiekz [6]2 years ago
3 0

Answer:

3. Protons and Neutrons.

4. Electrons only.

baherus [9]2 years ago
3 0

Answer:

3 can be b

Explanation:

4 can be d

so sorry if wrong  

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