Which technique can identify the ink used in a document?
a. ultra violet imaging
b. chr...
Biology, 20.08.2019 06:00 2kdragginppl
Which technique can identify the ink used in a document?
a. ultra violet imaging
b. chromatography
c. oblique lighting
d. infared imaging
Answers: 1
Biology, 22.06.2019 06:30
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
Answers: 1
Biology, 22.06.2019 07:00
According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?
Answers: 2
Biology, 22.06.2019 21:20
Name three things that show evidence of evolution. write one sentence for each, explaining why it demonstrates evidence. (9 points)
Answers: 1
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