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Which principles help geologists compare the timing of the origin of life forms and the timing of their extinction? A. Steno's principles, faunal succession, and fossil correlation B. Super position, lateral
answered
Oct 13, 2018
Chemistry
middle-school
3
votes
219k
views
Which sentence uses the word they're correctly a. how do they know that its they're package b. have you been they're before c. they're going to the beach next weekend d. which is they're house?
answered
Sep 14, 2018
English
high-school
3
votes
75.5k
views
It takes about 7000 years for light from the eagle nebula to reach us on earth. using this information, and the speed of light given above, calculate how far the eagle nebula is from us in kilometres note:
answered
Aug 30, 2018
Physics
middle-school
5
votes
134k
views
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