Answer:
Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases. These gases are found in layers (troposphere, stratosphere, mesosphere, thermosphere, and exosphere) defined by unique features such as temperature and pressure.
Explanation:
I think it’s B, I’m not for sure tho
Answer:
The concept developed in Europe during the Middle Ages. Traditionally the granting of a charter gave a settlement and its inhabitants the right to town privileges under the feudal system. Townspeople who lived in chartered towns were burghers, as opposed to serfs who lived in villages.
Argentina
Explanation:
It was in Argentina that fingerprints were used to identify a woman that murdered her two sons. This was in the year 1892.
- Inspector Eduardo Alvarez in the yea 1892 first used fingerprint identification in investigation a murder.
- Francisca Rojas was the woman that murdered her two sons.
- This criminal investigation made Argentina the first country to use fingerprint identification to solve a murder case.
Learn more:
crime brainly.com/question/12742104
more on crime brainly.com/question/1618434
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