When taking an absorption measurement, always align the cuvette with the same face (mark the top of the cuvette with a grease pencil) pointing toward the detector. why is this necessary?

Janette goes into an electronics superstore to buy a new computer. the salesperson works with her to find the right model, and she agrees to buy a new computer for $500 and a floor-model 18-inch monitor for $100. just when she is ready to pay, the salesperson walks away for a minute and then comes back to inform her that the monitor she was ready to purchase can't be sold for < $125. she agrees to the extra $25 even though they had initially agreed on the $100 selling price. janette has fallen for the technique of gaining compliance.

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.

Discutati in perechi si decideti daca o persoana actionand singura poate sa influenteze atitudinea celor din jur fata de mostenirea culturala