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dlinn [17]
3 years ago
7

A forensic scientist reports that a dead woman had high concentrations of a pain-fighting drug in her blood. What type of analys

is was done? A) the scientist made an association through individualized evidence. B) The scientist made a comparison. C) The scientist made an identification. D) The scientist supplied direct evidence
Chemistry
2 answers:
zepelin [54]3 years ago
7 0

Answer: C). The scientist made an identification.

Explanation:

Forensic science deals with the searching, identification, collection and analysis of the evidences found at the crime scene or those which are related to the crime.

In an analysis of evidences the identification, quantification, and comparison of the evidences obtained from the crime scene with those which are requested from the suspects or victims takes place.

In the given situation, the scientist will identify the concentration of drug in the blood after the process of analysis of the blood.

AlladinOne [14]3 years ago
3 0
C) the scientist made an identification by identifying the amount of drug in her blood and realising it was high
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Which of these solids are most likely amorphous solids? Select all that apply. Rubber sugar plastic candle wax graphite glass.
Ostrovityanka [42]

The solids are characterized as amorphous and crystalline solids based on the arrangement of atoms. The solids that are amorphous are rubber, plastic, candle wax, and glass.

<h3>What are amorphous solids?</h3>

The solids have the arrangement of atoms in the lattice. The solids with an appropriate arrangement of atoms are crystalline solids. For example, sugar, graphite.

The solids with irregular arrangements of atoms in the lattice are amorphous solids. For example, glass, rubber.

Thus, the solids that are amorphous in nature are rubber, plastic, candle wax, and glass.

Learn more about amorphous solids, here:

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2 years ago
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Explanation:

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3 years ago
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Activity 7: Crossword Puzzle
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Answer:

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4 0
2 years ago
What exactly are the physical properties of a candle that has been blown out?
pogonyaev
Let's think, if you have a candle ( that is not blown out ) the physical properties are the candles mass and hence ( hence of the candle is the stiffness of the candle), weight, length, density, surface friction ( force resisting the relative motion of solid surface), and the energy content. You then, need to go to bed, so, therefore, you want to blow the candle out. Once you blow the candle out, the candle is evidently going to have at least a couple of different physical properties, than before it was blown out. The physical properties are a different color, the length of the candle, the texture, you could also apply the mass of the candleholder, and then, the mass of the candleholder and the candle, last but not least, the mass of just the candle. Once you observe the candle, you should be able to plug in those observations into the physical properties. As to, because you asked' what are the physical properties of a candle that has been blown out... We are going to assume that we did observe the candle, and the length of the candle in cm, after being blown out is 30cm. (12 inches; customary). Next, that the color of the candle is the same (let us say the original color is taffy pink).  We can then say that the texture of the candle is waxy and the top and smooth as you get to the bottom ( the texture depends on how long the candle was burning, but we are saying that we lit the candle, and then immediately blew the flame out ) . We now have the mass of the candleholder, which will scientificity stay the same. Now, for the mass of the candleholder and the candle, that all depends of how long you let it burn ( remember, we are saying we lit the wick and then immediately  blew the fame out ). So, the candle really didn't change is mass, so, therefore, wouldn't affect the mass of the candleholder including the candle. That also goes to the mass of the candle.
 
4 0
3 years ago
after 252 days, a 12.0-g sample of the radioisotope scandium-46 contains only 1.5 g of the isotope. what is the half-life of sca
wolverine [178]
12➡6➡3➡1.5
① ② ③
3 half life = 252
half life = 84days
7 0
2 years ago
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