Answer:
your answer is B
Explanation:
Despair can also refer to someone or something that causes you to worry or be sad. Unfortunately, some children are the despair of their parents. The verb despair means to lose hope. Despair is from Latin desperare "to be without hope," from the prefix de- "without" plus sperare "to hope," from spes "hope."
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I believe the answer is A. This is because the sentence is supposed to be parallel and all of the verbs(except for hiss) have to be past tense.
Answer: Well, Humanity's early fire-starting tools may have been dangerous because in the text is says, "It could be lighted only by hard rubbing, and it sputtered and threw fire in all directions." This is dangerous because it would spew fire in all directions and if you think about it, the fire would hit something and then that thing would catch on fire. Lets say you were using the match inside your house. When you strike the match, a spark flies onto the wood floor and your house goes up in flames and you are stuck inside the house with no exit or escape. This may or may not happen, but because of the fire not being contained, there was a chance that you would be harmed.
hope this helped
