n Ecology 3) To get calcium, a porcupine chews on an antler that has fallen from a deer. The antler is O A. an abiotic factor. o B. a biotic factor. O C. a limiting factor. O D. a density independent factor.

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.

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it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.