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stellarik [79]
3 years ago
14

What is chromatography? Describe the process of chromatography and what forensic scientists can learn from it.

English
1 answer:
Shkiper50 [21]3 years ago
8 0

Chromatography is a chemical process through which scientist can separate mixed elements to analyze them individually.

It basically consists in dissolving the mixture in a liquid that separates the different elements as a purification process.

Forensic Scientists use it in different forms while processing samples, for example:

* Planar Chromatography that can identify if two samples are the same.

* HPLC that can detect explosive components and some specific drugs.

* Gas Chromatography can detect the presence of alcohol, drugs or poison in a body prior to its death.

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hammer [34]

Answer:

1. A cloudless sky.

2. A stony path.

3. A dozen of pen.

4. A wintry weather.

Explanation:

An adjective is one of the parts of speech in English language and it can be defined as a word that qualifies or describes a noun in a sentence. Some examples of an adjective are big, small, happy, tall, short, fat, rambunctious, cloudless, wintry, stony, dozen, etc.

An adjective can often replace many words in a sentence. These is illustrated in the following examples;

1. A sky which has no clouds; a cloudless sky.

2. A path covered with many loose stones; a stony path.

3. Twelve pens; a dozen of pen.

4. The weather in winter season; a wintry weather.

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3 years ago
Which sentence most clearly describes the medium of a story?
shutvik [7]

Answer:

A.

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Which piece of writing is the best example of postmodern fiction?
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