a, because exercise doesn't just aid the prevention of certain diseases, it helps prevent many diseases. i would've chosen d if it wasn't so specific but a is the correct answer.
Answer:
the answer is drink water which helps you stay hydrated
<u>Answer:</u>
<em>MSN stands for Medicare Summary Notice. If a person disagrees with the rejection of his/ her claim he/she can file an appeal.
</em>
<u>Explanation:</u>
An MSN is sent every three months to people who avail the benefit of medicare. It gives details about the services and supplies billed to medicare , payment made by medicare and the amount you owe the provider.
After checking the MSN if a person feels that she was unfairly denied a claim she can decide to file an appeal.
Once you have decided to go forward with the appeal collect valuable information from your doctor, healthcare provider etc.
