The nucleus of an atom contain protons and neutrons, which make up most of the mass of an atom.
The answer would be 2 and 3 ( 2nd answer choice)
Answer:
I started reading korean a few days ago
Explanation:
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Birds-Migratory
Freshwater Fish-local endemic
Large predators-sparse distribution
Different stars are different colors depending on the temperature. So, for example, a blue star is hotter than a yellow star such as our Sun.
Prophase. This is the first stage of nuclear division
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