Q: What is the name of pluto's moon? Choices: - Phobos - Titania - Europa - charon A:
charon
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Q: Biomass can also be processed to make what kind of fuel? 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? 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? Choices: - attractive - expressive - polar - repulsive A:
repulsive
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