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22) Using x-ray crystallography, as well as other methods, the researchers Watson and Crick discovered the ________________ structure of DNA.
answered
Nov 26, 2018
Biology
high-school
4
votes
129k
views
The Appalachians are in the Western United States. TrueFalse
answered
Oct 7, 2018
Geography
high-school
6
votes
23.5k
views
The shang dynasty predated the xiq dynasty true or false
answered
Dec 21, 2017
History
high-school
3
votes
227k
views
The following reaction does not proceed to a product: H2O + Ag - no reaction. Why is that?
answered
Jun 28, 2017
Chemistry
high-school
5
votes
232k
views
Simplify:4sqrt400/4sqrt5. Show your work.
answered
Apr 14, 2017
Mathematics
high-school
4
votes
68.2k
views
How was the war powers resolution intended to limit presidential authority
answered
Jun 8, 2016
Social Studies
high-school
6
votes
198k
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