Q: Wavelengths are described by a unit of what? Read this paragraph and choose the correct option from the provided answers: Wavelengths are described by a unit of distance, typically meters. Choices: - weight - direction - speed - distance A:
distance
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Q: What is the sugar that the cells of living things use for energy? Read this paragraph and choose the correct option from the provided answers: Sugars are simple carbohydrates. Molecules of sugar have just a few carbon atoms. The simplest sugar is glucose (C 6 H 12 O 6 ). Glucose is the sugar that the cells of living things use for energy. Plants and some other organisms make glucose in the process of photosynthesis. Living things that cannot make glucose obtain it by consuming plants or these other organisms. Choices: - insulin - sucrose - chlorophyll - glucose A:
glucose
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Q: All cells need what for energy? Read this paragraph and choose the correct option from the provided answers: Glucose is a substance that passes across cell membranes by facilitated diffusion. All cells need glucose for energy. Choices: - oxygen - light - insulin - glucose A:
glucose
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Q: Underground rock in a molten state is called? Read this paragraph and choose the correct option from the provided answers: A: It is always very hot deep underground where molten rock originates. The high temperatures give rock enough energy to melt and remain in a molten state. Underground rock in this state is called magma. Choices: - igneous - gaseous - lava - magma A:
magma
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