Answer the following question given this paragraph: Hot spots may also be active at plate boundaries. This is especially common at mid-ocean ridges. Iceland is formed by a hot spot along the Mid-Atlantic Ridge. Q: What makes soil and rock particles move gradually down the slope during each thaw? Choices: - heat - wind - rain - gravity A:
gravity

Answer the following question given this paragraph: agents of fermentation in the production of bread, cheeses, alcoholic beverages, and numerous other food preparations. Secondary metabolites of fungi are used in medicine as antibiotics and anticoagulants. Fungi are used in research as model organisms for the study of eukaryotic genetics and metabolism. Q: What common process is used in the production of bread, cheese and alcoholic beverages? Choices: - cloning - condensation - oxidation - fermentation A:
fermentation

Answer the following question given this paragraph: Fiber is a complex carbohydrate that consists mainly of cellulose and comes only from plants. High-fiber foods include whole grains and legumes such as beans. Fiber can't be broken down by the digestive system, but it plays important roles in the body. It helps keep sugar and lipids at normal levels in the blood. It also helps keep food waste moist so it can pass easily out of the body. Q: What does fiber help keep at normal levels in the body? Choices: - salt and cholesterol - bloodpressure - hydration - sugar and lipids A:
sugar and lipids