Given a scientific question, generate a correct answer to it.

Example Input: What does the megaspore mother cell produce after meiosis division?
Example Output: four haploid megaspores

Example Input: The short length of what in women is the best explanation for the greater incidence of uti in women?
Example Output: urethra

Example Input: The earth's atmosphere, climate, and living things are effected by what feature that covers more than 70 percent of earth's surface?
Example Output:
oceans