In this sentence, there are 3 verbs if we count Writing to be a verb. It is a gerund that functions as a noun, but is technically still a verb. Can and Learn are also verbs, so the correct answer should be 3.
It lets the reader know where important information is located.
Smoking bans, or smoke-free laws, are public policies, including criminal laws and occupational safety and health regulations, that prohibit tobacco smoking in certain areas, usually in enclosed workplaces and other public spaces. Such policies are usually enacted to protect people from the negative health effects of passive smoking or second-hand smoke (SHS) exposure
Peasants more readily accepted unpleasant facts of life, while the middle class tried to deny them.
Ivan' servant keeps saying that its no trouble staying up with him all night, because he hopes someone else will do the same for him when he is unwell and dying. On the other hand, the middle class society his illness and impending death as a mere inconvenience.
The correct answer among the choices provided is the fourth option. Personal testimony was used by the speaker to prove his point. The speaker talked about his experiences on how Britain tried to stop the war in Europe. He is credible since he was a Cabinet member during that time.