Q: Dialysis is a treatment for failure of what organs? Choices: - lungs - liver - spleen - kidneys A:
kidneys
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Q: What is the term for a watertight seal between two adjacent animal cells? Choices: - cell membrane - cell wall - placental barrier - tight junction A:
tight junction
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Q: What colorful arc-shaped atmospheric phenomena are produced by a combination of refraction and reflection? Choices: - lightning - shadows - sunsets - rainbows A:
rainbows
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Q: Surface tension forces between moleculse cause the surface of liquid to contract to what? Choices: - typically surface area - Weak Surface area - strongest surface area - smallest surface area A:
smallest surface area
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