In "A Poison Tree," what is one way that the speaker helps readers imagine how his anger grew? A.He describes how he "stole" into his foe's garden because he was angry. B.He describes how he "told" his anger to all who would listen. C.He describes how he "water'd" his anger with fears and tears. D.He describes how he "veil'd" his anger to protect it.

In Shakespeare's Macbeth, Lady Macbeth knows her husband possesses the ambition to want the Scottish throne, but she is afraid he does not possess the personality traits necessary to go through with what it takes to achieve it (kill Duncan).  In a famous speech she worries that:

Thus, she worries that he is too kind.  She also worries that he doesn't possess the "illness" (evil) to do it.  He would rather do it "holily" than to use deceit. 

In this speech she also introduces an intricate personality trait of her husband's.  She says that he won't want to do it, even though, once it's done, he won't "wishest [it] should be undone."  So it's not necessarily the event that bothers Macbeth, it's the doing it himself.

Answer:

B) AMBITION

Lady Macbeth fears her husband lacks the AMBITION to become king

Answer:

please don't touch the orchids.

An apositive phrase is also known as noun phrase which serves the purpose of providing additional information about the noun and identifies it. In this case we are talking about Andrea Ghez. If we combine the two sentences given, we would have: Andrea Ghez, who is a respected astronomer, believes that a black hole exists in our galaxy. The relative pronoun "who" and "is" can be dropped without affecting the idea.

The answer to your question would be that the sentence in which the underlined infinitive phrase functions as the subject is the following one: To quickly move large groups of people is the purpose of public transportation.

An infinitive clause is a subordinate clause whose verb is in this infinitive form.  Moreover, they are not introduced by a subordinating conjunction.