Answer:A
Explanation:<em>The core is a solid in the middle and molten on top of it</em>
it's b. anaphase and spindle fibres pulls chromosomes towards the centrioles in this phase.
Answer: I think that the reason to this is because the oxygen abundance was too low, the competition for food and other resources was too high, so there could be fish the would be filtered out and be killed.
Explanation:
