The option B is correct..
The correct answer is A, parathyroid gland.
The parathyroid hormone is secreted by the parathyroid gland which <span>inhibits osteoblasts, stimulates osteoclasts,</span> reduces the calcium output by the kidneys and promotes absorption of the calcium by the small intestines. Calcitonin, secreted by the thyroid gland, also works to a similar effect.
Meiosis produce variations in daughter cells whereas mitosis produce identical nuclei.
Hope this helps!
Answer:
D) The smoke would settle around cities, reducing visibility.
