Answer:
i am new but I haven't reached this level yet
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➷ It would be B. An Ion.
Ions aren't found in atoms - it is atoms that can become ions by gaining or losing electrons.
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Answer:
The highest energy level number (1 through 7) for the electrons in an atom corresponds to the period (or row) in the periodic table to which that atom belongs. Because there are 7 periods in the table, there are 7 energy levels. For example, hydrogen (H) is in the first period, so it has only one energy level.
Answer:A fossil is the remains or traces of a once-living plant or animal that was preserved in rock or other material before the beginning of recorded history. ... Fossils of single-celled organisms have been recovered from rocks as old as 3.5 billion years. Animal fossils first appear in rocks dating back about 1 billion years.
Explanation:
Answer:
Crude Oil was first discovered in Oloibiri, in Nigeria's Bayelsa State, in 1956.
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