Q: How is sediment transported? Read this paragraph and choose the correct option from the provided answers: The shore may have a lot of sediment washed from land or eroded from cliffs. The sediment is transported by currents. Choices: - storms - landslides - winds - currents A:
currents

Q: During strenuous exercise our muscles perform what kind of fermentation? Read this paragraph and choose the correct option from the provided answers: Animals and some bacteria and fungi carry out lactic acid fermentation. Lactic acid is a waste product of this process. Our muscles perform lactic acid fermentation during strenuous exercise, since oxygen cannot be delivered to the muscles quickly enough. The buildup of lactic acid is believed to make your muscles sore after exercise. Bacteria that produce lactic acid are used to make cheese and yogurt. The lactic acid causes the proteins in milk to thicken. Lactic acid also causes tooth decay, because bacteria use the sugars in your mouth for energy. Choices: - nitric acid - residual acid - excessive acid - lactic acid A:
lactic acid

Q: The ends of linear chromosomes are maintained by the action of which enzyme? Read this paragraph and choose the correct option from the provided answers: Figure 9.11 The ends of linear chromosomes are maintained by the action of the telomerase enzyme. Choices: - cytokine - pepsin - insulin - telomerase A:
telomerase

Q: What is the process by which a liquid changes to a solid? Read this paragraph and choose the correct option from the provided answers: The process in which a liquid changes to a solid is called freezing . The temperature at which a liquid changes to a solid is its freezing point. The freezing point of water is 0C (32F). Other types of matter may have higher or lower freezing points. For example, the freezing point of iron is 1535C. The freezing point of oxygen is -219C. Choices: - melting - vaporizing - boiling - freezing A:
freezing