No need to be sorry joshyputts. cos the answer is d.
white light isnt used in aas. they only use the one wavelength and measure how much of that is absorbed. otherwise other elements would interfere with results. the wavelength they use is the one that the specific element absorbs, the same...
Yeah i know a few ppl whove used somewhere over the rainbow. they said it worked well. dunno wat they did, but it wouldnt be too hard to work something out
Is anyone using Donnie Darko as a supp text for imaginative journeys?
If u are. Does it fit in well?
ive got pretty much all poems for my texts and i need something different before the exams. bit late for trials though, seeing as how they start tomorrow