Geography, 27.07.2019 06:30 camillesmith6630
What are stars made of? a. gases, primarily hydrogen, then helium b. nothing but light and energy c. trick question- we really don't know d. pretty much the same as earth, but with a special shell e. they're fireflies stuck in the big blue/black thing 2. what provides the energy (and so light and heat) of a star? a. gravitational contraction b. lots of electricity c. atomic energy/nuclear reactions d. continual explosions e. chemical reactions at the surface?
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Geography, 23.06.2019 08:30
8. is a technique that uses the images from several telescopes to produce a single image. a. reflection b. interferometry c. radiation d. refraction
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Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?
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Which of the timelines above accurately represents the order of historical events in canadian history? a. one (1) b. two (2) c. three (3) d. four (4)
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Geography, 23.06.2019 20:40
Less developed nations have low literacy rates. true or false
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What are stars made of? a. gases, primarily hydrogen, then helium b. nothing but light and energy c...
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