Which sentence shows a flaw or mistake in logic

1) A volcano eruption in the early 1800 through so much ashen to the air that causes global temperature dip
2) sunspot activity affects earths climate which means that human activity is not a factor
3) ice reflects more heat away from the earth then open water which absorbs heat when is it exposed to sun
4) Ocean currents such as the golf stream and the Labador current have a significant effect on local climates

The development of new inventions in the field of space travel seemed rapid. how does the word rapid function in a sentence?

(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.”)

Which is the best example of manipulating an audience through media? a. playing sinister music while interviewing a celebrity b. criticizing a professional athlete without providing reasons c. starting a web form for a discussion about a new app d. filing a complaint against a company for its bad service