<span>Regular visits to the dentist should be scheduled every B. 6 months. Three months is too frequent to visit your dentist, because not many cavities or tooth decays can happen in such a short period of time. Twelve and eighteen months is too seldom a period to visit your dentist, it should be more frequent. So, the correct answer is somewhere in the middle, and that is 6 months, or twice a year.</span>
The answer to you question is the second options.
B) Agility
Answer:
regulating the production of iron and calcium
