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Since i don't know the options you have i'm just going to explain what non traumatic brain injury is.
When we call a brain injury traumatic it may include open head injuries(like a gunshot wound) or </span><span>or closed head injuries (like </span><span>blunt
trauma).
On the other hand, non-traumatic brain injuries may include those caused by strokes,
nontraumatic hemorrhage, tumor, infectious diseases, hypoxic injuries, toxic exposure </span><span>blunt
trauma. Basically the non-traumatic injury doesn't depend of something outside the body.</span>
Learning something new causes thebrain to build connections between neurons, replacing some of those we lose over time.
The answer is play on words, or a pun - a row of large animals separating two yards is called an elefence.
The first part of the word, ele-, obviously refers to elephants, which are large animals. The second part is a fence, which separates two yards. So this is intended to have a humorous effect.
Rock Cycle? Changes rock to from one kind to another
Answer:
I think it is the last one D