Answer:
irregular ovulation ( D )
Explanation:
Irregular ovulation is not one of the common causes of infertility. , The quality of the eggs in women/ size of the eggs affect the fertility status in women and this quality is affected by declining hormone levels that occur with age. while in the case of irregular ovulation the woman will have to put in more effort to determine her most fertile time but it won't affect her ability to conceive in general.
Answer: Then, due to various conditions within the Earth, the existing rock was changed into a new kind of metamorphic rock. The conditions required to form a metamorphic rock are very specific. The existing rock must be exposed to high heat, high pressure, or to a hot, mineral-rich fluid.
Explanation:
If the infant stops responding, position them on a firm, flat surface, and yell for help. Check for breathing and begin CPR. After 15 compressions, open the airway and look for a foreign object. If visible, remove it and attempt to ventilate with two breaths.
Answer:
Disinfection and sterilization are essential for ensuring that medical and surgical instruments do not transmit infectious pathogens to patients.