True or false A simple sentence is one independent clause A complex sentence has one independent clause with a dependent clause added on A compound swntemce includes two independent clauses joined by a semicolon or a comma and a coordinating conjunction

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

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.

The arctic national wildlife refuge is home to caribou, moose, musk oxen, wolves, foxes, grizzlies, polar bears and migratory birds. leaders in the oil industry believe the refuge is the perfect site for the “environmentally sensitive exploration” of oil. environmentalists are wondering: what will become of the wildlife? president george w. bush, oil-industry leaders and others believe that americans will benefit from the oil that lies under the snow-filled surface of the refuge. in their opinion, the oil will reduce high fuel prices and decrease our need for oil from other countries. i believe the cost of such drilling is too high. i agree with environmentalists who fear that drilling will disturb the migration of more than 130,000 caribou. each spring, the caribou travel 400 miles to give birth on the coastal plain. in this area of the refuge, there are fewer predators. in addition, experts say that the oil in the area adds up to less than a six-month supply. is such a small amount of oil worth the risk drilling poses to these animals? americans are the largest consumers of oil. instead of drilling for oil, we should decrease our need for foreign oil simply by using less. we must all work together to cut back on the oil we use in order to preserve the wildlife of the arctic national wildlife refuge. what type of argument is used in this paragraph? i believe the cost of such drilling is too high. i agree with environmentalists who fear that drilling will disturb the migration of more than 130,000 caribou. each spring, the caribou travel 400 miles to give birth on the coastal plain. in this area of the refuge, there are fewer predators. in addition, experts say that the oil in the area adds up to less than a six-month supply. is such a small amount of oil worth the risk drilling poses to these animals? a. appeal to emotion c. appeal to logic b. bandwagon d. none of the above select the best answer from the choices provided a b c d