Answer:
color the star with some spacey color(purpel, lavender, white spots)
You can also cover the rest of paper with different objects from space :)
Explanation:
Answer:
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What is the question exactly?
Answer:
Yes
Explanation:
I just quickly looked it up. Cornstarch is extremely flammable.
Answer:Answer: The step that is NOT necessary to complete before a cuvette is placed into the spectrophotometer is option B (Write, in ink, either sample or blank on the side of the cuvette to keep track of them)
Explanation: spectrophotometer is an instrument used to measure the light intensity absorbed after being passed through a solution. Before the absorbance of the sample solution, a solvent solution called blank is used for the calibration of the machine and this blank solvent is placed in a cuvette. The procedure usually comes first before the main sample is processed. Therefore there is no need to
Write, in ink, either sample or blank on the side of the cuvette to keep track of them. This is so since sample and blank is not absorbed at the same time by the machine.
