1) why do astronomers use different measurement systems to discuss distance in the universe? a) because light behaves different as the universe expands b) because scientists are trained all over the world and there is no universal measurement system c) because it allows the numbers to be more manageable 2) which measurement system has the largest value? a) astronomical unit b) light year c) parsec
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Chemistry, 22.06.2019 10:30
Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
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Chemistry, 22.06.2019 14:30
Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
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Chemistry, 22.06.2019 16:50
Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest
Answers: 3
Chemistry, 22.06.2019 19:30
If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)
Answers: 2
1) why do astronomers use different measurement systems to discuss distance in the universe? a) bec...
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