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What does the number of protons tell us about an element?
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The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
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Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change
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Physics, 22.06.2019 16:30
What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?
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Physics, 22.06.2019 17:30
Frequency of electromagnetic waves that a radio station is assigned is called
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What does the number of protons tell us about an element?...
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