Decompression sickness manifests ITSELF with joint pain and it can be fatal.
'Itself is a word that is usually used as the object of a verb or preposition to refer to to an inanimate thing or an animal which has been mentioned previously as the subject of the sentence.
C because after being active your body gets used to the exercise so your body makes higher energy levels
<span>B. Novels have simple, straightforward themes (and few of them).</span>
You can talk to me if you would like.