Answer:
They are made up of electrons, neutrons and protons
Explanation:
Deductive reasoning involves making broad observations and examining possibilities to reach a specific, logical conclusion, which is required in the formation of a hypothesis. Conversely, inductive reasoning involves taking specific observations and making broad generalisations from these. Therefore the answer is A.
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The answer is D, all of them have very different masses
Iodine and Calcium is the correct answer