Question
Most of the oxygen in the air we breathe was formed in ...
Group of answer choices
the core of a massive star
the core of a sun-like star
in a pulsar
in a supernova explosion
Group of answer choices
the core of a massive star
the core of a sun-like star
in a pulsar
in a supernova explosion
Answers
Answered by
GPT 3.5
the core of a massive star