Q: Answer the following question given this paragraph: Varves form in lakes covered by ice. Varves are useful to scientists for understanding climate. Q: Varves form in lakes covered by what? Choices: - coral reef - bridges - soot - ice A:
A: ice

Q: Answer the following question given this paragraph: You can see the structural formula of glucose and two other sugars in Figure below . The other sugars in the figure are fructose and sucrose. Fructose is an isomer of glucose. It is found in fruits. It has the same atoms as glucose, but they are arranged differently. Sucrose is table sugar. It consists of one molecule of glucose and one molecule of fructose. Q: Sucrose consists of one molecule of glucose and one molecule of what else? Choices: - protein - lactose - alcohol - fructose A:
A: fructose

Q: Answer the following question given this paragraph: An aquifer is a layer of saturated porous rock. It lies below the water table. An impermeable layer, such as clay, is below the aquifer. Q: What is a layer of saturated porous rock? Choices: - a shear - an overhang - a quarry - an aquifer A:
A: an aquifer

Q: Answer the following question given this paragraph: 42.1 Circulatory systems link exchange surfaces with cells throughout the body. Q: What organ systems link exchange surfaces with cells throughout the body? Choices: - vascular - pulmonary - nervous - circulatory A:
A: circulatory