In the nitrogen cycle, different forms of nitrogen move through all of earth’s subsystems. which step in the nitrogen cycle shows how nitrogen moves from the atmosphere to the geosphere? a. decomposers in soil break down dead organisms and release atmospheric nitrogen. b. nitrogen-fixing bacteria in the soil convert nitrogen from the air to make nitrates. c. plants obtain nitrates through their roots in a process called assimilation. d. animals get the nitrogen needed to grow by eating nitrogen-containing plants.
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Chemistry, 22.06.2019 09:00, valeriekbueno
If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?
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Chemistry, 22.06.2019 17:30, mwest200316
To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.
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