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.
Its got one eye..............................
1. anxious confusion
2. that shared in the general awe and terror
When looking at the options with the context clues, we can eliminate any definitions that have a positive connotation. None of the context clues indicate that consternation would be something that is good. While the first option shows a negative connotation for consternation it is not specific enough to pinpoint a meaning for the word. The context clue "general awe and terror" indicates that there is confusion.
The correct answer is D. Weed tree that wreaks havoc on the environment is referred to favorably as the "tree-of-heaven."
Explanation:
Irony occurs when the outcome in a situation is not the one expected or words have an opposite meaning to the literal meaning. In the excerpt, there is irony because the three known as the "tree-of-heaven" in China is an invasive and harmful species. This can be seen in "implacable invaders capable of rooting in tiny chinks in subway tunnels" and in "heaving up sidewalks and wreaking havoc in sewers" that shows the power the tree has to invade spaces and destroy structures despite the name suggests the tree is positive. This means there is an incongruence between the expectations about the tree and the reality. Thus, the statement that explains irony is statement D.