Explanation:
Anthropometry uses measurements of certain specific body features. Bertillonage was initially a system utilized for the identification of criminals. It measures:
- height
- weight
- skin fold thickness
- arm span
- head size
- other distinct features
Waist circumference would be unsuitable, as this system utilizes BMI.
BMI or body mass index tests the body's fat through a height and weight ratios; the test refers to both adults males and females. BMI ranges contain weights less than 18.5 as below average, varying from 18.5 to 24.9 foraverage, overweight ranging from 25 to 29.9 and obese with a BMI of 30 or higher however BMI has limitations; it often overestimates body fat and athletic measurements.
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Answer:
A. by reacting animal fat or vegetable oil with water.
D. by treating animal fat or vegetable oil with hydrogen
Explanation:
Water is insoluble in animal fat or vegetable oil so it makes a layer on the surface of oil. When animal fat or vegetable oil react with hydrogen, it produces solid oil called ghee not biofuels. Biofuel is produced when animal fat or vegetable oil react with alcohol.
Answer:
Radiometric dating methods
Explanation:
Absolute dating is the process of determining an age on a chronological or specified time scale in which events occurred in archaeology and geology. Absolute dating can be determined by using properties of the atoms that make up materials.
The most common method of absolute dating uses by geologists is radiometric dating methods which is based on the natural radioactive decay of certain elements such as potassium and carbon found in the rocks. By comparing the ratio of parent isotope with a known half-life to daughter product in the rock, the age of the rock can be determined.
The carbon-14 isotope is used in radiocarbon dating, but is only useful for measuring recently formed rocks in the geologic past. The decay of Potassium-40 isotope known as potassium-argon (K-Ar) method allows dating of materials that up to 1,000 billion years old.
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