In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Question: Mitosis actually occurs in how many phases? Answer: four
Mitosis actually occurs in four phases.

Question: In what form is atmospheric sulfur found? Answer: sulfur dioxide (so2)
In sulfur dioxide (so2) form is atmospheric sulfur found.

Question: Ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean are called what? Answer: coral reefs

Ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean are called coral reefs.