Which of the following statements about biogeochemical cycles is true? a. Biogeochemical cycles are cycles involving only nonliving components. b. The rock cycle is a biogeochemical cycle. c. Biogeochemical cycles are not an important part of the Earth system. d. Carbon, nitrogen, and oxygen cycles are biogeochemical cycles. Please select the best answer from the choices provided A B C D
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Physics, 21.06.2019 18:40
An observer that stands still as the electron moves by him, will observe
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Physics, 21.06.2019 22:30
What is the earliest point in the universe that we can observe? why canโt we see back further than this?
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Physics, 22.06.2019 06:20
Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.
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Physics, 23.06.2019 02:10
Find the steady-state temperature at the center of the plate = /2, = /2) for sums of w from n=1 to n=19 (only odd values). find the value of n for which the change in /2, /2) is less than 1% from the value at the previous n. at this point, we consider the solution converged. does the value of the temperature at the center seem reasonable? in this part, the values of x and y are constant scalar values. you should produce a plot of the value of n on the horizontal and the estimate of the temperature at the center of the plate on the vertical. b. using the value of n (or larger) that resulted in convergence in part (a), create a contourf plot of the temperature distribution across the entire plate. use enough spatial subdivisions to create a useful plot. comment on the results. hint: you need to determine what โxโ and โyโ values to use to make your t matrix. i recommend using a different number of x and y values. use enough x and y values so that the plot is โsmoothโ.
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Which of the following statements about biogeochemical cycles is true? a. Biogeochemical cycles are...
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