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Plants produce all of the molecules they need for survival from inorganic compounds. Some elements, like nitrogen, come from the soil. Where do the elements required for photosynthesis come from?
answered
Feb 22, 2018
Biology
high-school
2
votes
24.1k
views
Which scientist performed the cathode ray experiment leading to the discovery of electrons
answered
Oct 9, 2017
Chemistry
high-school
3
votes
137k
views
Franklin Roosevelt’s New Deal reforms sparked an ongoing national debate on the proper role of government. the legitimacy of Roosevelt’s election. the necessity of private business. the need to end the
answered
Jun 24, 2017
History
high-school
1
vote
21.5k
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