The correct answer is A. Potassium iodide.
Potassium iodide is a salt of potassium and iodine. It is a white, odorless, crystalline solid that is soluble in water. Potassium iodide is used to
iodize common salt to prevent iodine deficiency. Iodine deficiency is a common problem in many parts of the world, and it can lead to a number of health problems, including goiter, hypothyroidism, and mental retardation. Iodizing common salt is a safe and effective way to prevent iodine deficiency.Iodine is an essential nutrient that is required for the production of thyroid hormones. Thyroid hormones are essential for normal growth and development, and they also play a role in metabolism, energy production, and cognitive function. Iodine deficiency can lead to a number of health
problems, including goiter, hypothyroidism, and mental retardation.Goiter is a swelling of the thyroid gland. It is caused by a lack of iodine, and it can be prevented by iodizing common salt. Hypothyroidism is a condition in which the thyroid gland does not produce enough thyroid hormones. It is also caused by a lack of iodine, and it can lead to a number of health problems, including fatigue, weight gain, and hair loss. Mental retardation is a condition in which a person has a lower than average IQ. It can be caused by a number of factors, including iodine deficiency.
Iodizing common salt is a safe and effective way to prevent iodine deficiency. It is a simple and inexpensive way to improve the health of millions of people around the world.