Q: What is the name of pluto's moon? Read this paragraph and choose the correct option from the provided answers: Pluto and its moon, Charon, are actually two objects. Choices: - Phobos - Titania - Europa - charon A:
charon
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Q: Biomass can also be processed to make what kind of fuel? Read this paragraph and choose the correct option from the provided answers: Biomass is another renewable source of energy. Biomass includes wood, grains, and other plant materials or waste materials. People can burn wood directly for energy in the form of heat. Biomass can also be processed to make biofuel. Biofuel is a fairly new type of energy that is becoming more popular. Biomass is useful because it can be made liquid. This means that they can be used in cars and trucks. Some car engines can be powered by pure vegetable oil or even recycled vegetable oil. Sometimes the exhaust from these cars smells like French fries!. Choices: - hydrogen fuel - gasoline - fossil - biofuel A:
biofuel
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Q: How many forces do objects on earth have acting on them at all times? Read this paragraph and choose the correct option from the provided answers: More than one force may act on an object at the same time. In fact, just about all objects on Earth have at least two forces acting on them at all times. One force is gravity, which pulls objects down toward the center of Earth. The other force is an upward force that may be provided by the ground or other surface. Choices: - ten - three - four - two A:
two
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Q: When both objects have a positive charge what will the force be between them? Read this paragraph and choose the correct option from the provided answers: The positive sign of the force indicates the force is repulsive. This makes sense, because both objects have a positive charge. Choices: - attractive - expressive - polar - repulsive A:
repulsive
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