Answer:
that is a yes and no question. I think it depends on the situation
Explanation:
1. I'd say phosphorus was the key to the modern match.
2. It's difficult to choose between choice 1 and choice 4, but it's certainly more common than not to find a main idea in the first sentence of a paragraph, so I'll have to go with it took humans a long time to develop the match.
The answer is D. Why would they need to describe someone who is being seen? That's like introducing someone to your friend, and describing your friend to this new person. They can see your friend, so you don't have to explain what your friend looks like! I hope this helps.
Macbeth killed the king because he was told that he had a chance of becoming king. Macbeth knew he couldn't become king while Duncan was alive so he put the matter into his own hands and ignored the witches' advice in which he was supposed to be crowned by fate, not aggression. SO, Macbeth killed Duncan and framed the guards. later he was crowned the new king.
i hope this helps!
- isabella