Answer:
aww :(
don't give up it's going to get better.
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I have felt like this many times. It will get better.
Answer:
C.By fluid being trapped in the middle ear
Explanation:
If had one before after swimming and the doctor said that some of the chlorine water got stuck in my ear which cause the infection.
Answer: Public health measures such as pure food and water, and development of immunizations against many serious diseases such as polio and smallpox, coupled with enhanced economic conditions, are together credited with substantial reductions in the burden of infectious diseases.
I'm pretty sure (D) is the right answer