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Extremely Hard Science Quiz Even Einstein would scratch his head!
Hematite makes up the surface of which planet?
Electric power is typically measured in what units?
Which of these elements' chemical symbols comes first alphabetically?
Which of the following is not a greenhouse gas?
Electric current is calculated by charge divided by what?
A particle whose substructure is unknown is called a what?
How many moons orbit Mars?
Dione is a moon of which planet?
Which waves can be transverse or longitudinal?
Pan is a moon of which planet?
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