Search some examples of how waves are applied for use in medical and industrial applications​

Magnesium is the fourth most abundant mineral in the body and is essential to good health. magnesium is needed for more than 300 biochemical reactions in the body. it maintain normal muscle and nerve function, keep bones strong, keep one’s heart rhythm steady, and supports a healthy immune system. magnesium also regulate blood sugar levels, promotes normal blood pressure, and may play a role in energy metabolism and protein synthesis. doctors and scientists are trying to determine whether magnesium may play a role in preventing and managing disorders such as hypertension, cardiovascular disease, and diabetes. which is the main idea of this paragraph? a. the role of magnesium in human nutrition is being studied intensely. b. magnesium may be related to the body’s metabolism and other healthy functions. c. magnesium appears to contribute to hypertension, cardiovascular disease, and diabetes. d. magnesium and a healthy immune system are separate diseases.

Check my grammar: dear mr. peter szulczewskisubject: loyal customer’s complainti visited wish.com last month and found a 2-terabyte hard drive for only $69.99, an alive aquarium piranha fish for $7.99 and an unlocked samsung galaxy s9 phone for $599.99. the price of such quality item got me to buy all three of them thinking it is exactly what the description and pictures shows it be.the items arrived today and i am for giving me an actual samsung galaxy s9 for a low price but i got lied about the two other items, i know it doesn't always happen but we are losing our trust everytime it happens. i got 500gb hard drive and a plastic sardine fish. i thought i saved money but a 500-gigabyte hard drive should only be worth $40 and i am ok that they gave me a plastic fish because it is only $8 but they gave me a sardine plastic fish which is a very uninteresting species of fish and i have no use for it. you again for the phone. i like buying in your website and admire the prices you give to your items. i will not ask for a refund for the fish and hard drive but you should tell your sellers to use a truthful descriptions of their products because if they keep deceiving us, you might lose a lot of loyal customers.sincerely,russell john javierloyal customer

Which summarized story is most likely a myth?