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Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman
النسخة 14الرقم المعياري الدولي: 978-1111988937Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman
النسخة 14الرقم المعياري الدولي: 978-1111988937 تمرين 20
Consider the graph below that shows loss of calcium from the experimental cutover site of the Hubbard Brook Experimental Forest compared with that of the control site. Note that this figure is very similar to Figure 2-4, which compares loss of nitrates from the two sites. After studying this graph answer the questions below.
In what year were the calcium losses from the two sites closest together In the span of time between 1963 and 1972, did they ever get that close again
In what year were the calcium losses from the two sites closest together In the span of time between 1963 and 1972, did they ever get that close again
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The change in calcium concentration for ...
Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman
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أخرى 8 أحرف كحد أدنى و 255 حرفاً كحد أقصى
حرف 255
