Question

What is the main idea of the text? is passive smoking harmful? You might think that smoking only harms smokers, but people who breathe second-hand smoke are also harmed. Second-hand smoke contains more than 250 toxic chemicals that can make people sick. More than 50 of these chemicals cause cancer in humans. Breathing in passive smoking even for a short time harms the cardiovascular system and increases the risk of heart attack. Each year in the U.S. passive smoking causes about 50,000 deaths among nonsmokers, including 3,400 deaths from lung cancer and 46,000 deaths from heart disease. а) Passive smoking causes more death than first-hand smoking.b) Second-hand smoke is as harmful as first-hand smokec) Each year passive smoking causes about 50000 deaths among nonsmokers in the worldd) Second-hand smoke contains more than 50 toxic chemicals​

Answer 1

Ответ:

a)Passive smoking causes more death than first-hand smoking

Answer 2

The main idea of the text is that passive smoking, or breathing in second-hand smoke, is harmful. The text states that second-hand smoke contains over 250 toxic chemicals, with more than 50 of these chemicals causing cancer in humans. It also mentions that even short-term exposure to passive smoking can harm the cardiovascular system and increase the risk of heart attack. Additionally, the text states that each year in the U.S., passive smoking causes about 50,000 deaths among non-smokers, including deaths from lung cancer and heart disease. Therefore, the correct answer is option c) Each year passive smoking causes about 50,000 deaths among non-smokers in the world.