Since you say ‘which’ , in order to answer you, we would need the options you are given, but my answer would be
1. Not reusable
2. Might use up someday
3. Burning it will produce carbon dioxide and worsen global warming
Hope these can help :)
Your answer would be valence electrons, i believe.
Answer:
Mitosis: prophase, metaphase, anaphase, and telophase
Explanation:
all of theese answers all occur during the process of mitosis.