Answer the following question given this paragraph: lava flows from a volcano and hardens into rock. Q: Lava flows from a volcano and hardens into what? A:
OPTIONS:
- life
- snow
- sand
- rock

Answer: rock

Answer the following question given this paragraph: Carbohydrates are the most common type of organic compound. A carbohydrate is an organic compound such as sugar or starch, and is used to store energy. Like most organic compounds, carbohydrates are built of small, repeating units that form bonds with each other to make a larger molecule. In the case of carbohydrates, the small repeating units are called monosaccharides. Carbohydrates contain only carbon, hydrogen, and oxygen. Q: What is the most common type of organic compound? A:
OPTIONS:
- proteins
- fats
- vitamins
- carbohydrates

Answer: carbohydrates

Answer the following question given this paragraph: Smoking is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer. Exposure to tobacco smoke by smoking or by breathing air that contains tobacco smoke is the leading cause of preventable death in the United States. Regular smokers die about 10 years earlier than nonsmokers do. The Centers for Disease Control and Prevention (CDC) describes tobacco use as "the single most important preventable risk to human health in developed countries and an important cause of [early] death worldwide. " Simply stated: Stopping smoking can prevent many respiratory diseases. Q: What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer? A:
OPTIONS:
- drinking
- exercise
- diet
- smoking

Answer:
smoking