Which is the best analysis of this sentence?
the victim was approached from behind and hit over the head with a tennis racket!
a) the sentence is written in passive voice because the actor is unknown.
b) the sentence is written in active voice because the actor is unknown.
c) the sentence is written in passive voice because the action is unknown.
d) the sentence is written in active voice because the action is unknown.

Usually, when people talk about "rocky” relationships, it’s with a frown, but mine has enriched my life. i became fascinated with rocks when i was really young, and throughout my childhood you could usually find me with my pockets bulging from whatever stony treasures i’d scavenged that day. when my science teacher taught us a unit on geology, i realized that my fascination could become an exciting career that could also me make good money. obtaining an internship to work on the geological exhibit at the museum is an important step on my road to being a geologist. the best description of the writer’s point of view is that the person is eager to make a lot of money in a museum internship. insistent that geology should be taught as part of every science course. hopeful to be able to further the goal of eventually becoming a geologist. concerned that people do not generally relate well to the study of geology.

Read the sentences below and complete the instruction that follows. the coach, who has ten years' experience, has agreed to lead our team. the coach who has ten years' experience has agreed to lead our team. select the answer that explains the difference between the two sentences, as well as the purpose each clause serves for the benefit of the reader. a.) the first sentence contains a noun clause that functions as a predicate nominative; therefore, it renames the subject of the sentence for the reader. the second sentence contains an essential adjective clause that modifies the noun "coach"; therefore, it clarifies for the reader which coach is being discussed. b.) the first sentence contains a nonessential adjective clause that modifies the noun "coach"; therefore, it provides the reader with interesting details about the subject of the sentence. the second sentence contains an essential adjective clause that modifies the noun "coach"; therefore, it clarifies for the reader which coach is being discussed. c.) the first sentence contains a nonessential adjective clause that modifies the noun "coach"; therefore, it provides the reader with interesting details about the subject of the sentence. the second sentence contains a noun clause that functions as a predicate nominative; therefore, it renames the subject of the sentence for the reader. d.) the first sentence contains an adverb clause that modifies the verb "agreed"; therefore, it provides the reader with the answer to the question "when." the second sentence contains an essential adjective clause that modifies the noun "coach"; therefore, it clarifies for the reader which coach is being discussed.

In figure 4 of the telephone components what do the labels lettered a to e