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Questions and Answers
Which chemical is the most abundant in our bodies and diet?
Which chemical is the most abundant in our bodies and diet?
- Hydrogen
- Carbon
- Oxygen
- Water (correct)
What are larger quantities of water used for, compared to?
What are larger quantities of water used for, compared to?
- Transportation and ceremonial (correct)
- Cleaning and nourishment
- Ornamental and protection
- Nourishment and hygiene
How much pure water do we actually need for drinking and cooking?
How much pure water do we actually need for drinking and cooking?
- Only about 1 g/cd
- Only about 2 g/cd
- Only about 3 g/cd (correct)
- Only about 4 g/cd
What was the most common water supply throughout history and served as a social hub for townspeople?
What was the most common water supply throughout history and served as a social hub for townspeople?
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During the 20th century, on which particular day did people commonly take a bath due to infrequent water supply for cleaning?
During the 20th century, on which particular day did people commonly take a bath due to infrequent water supply for cleaning?
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Study Notes
Water in the Human Body and Diet
- Oxygen is the most abundant chemical in our bodies and diet, making up approximately 65% of our body weight.
Water Usage and Needs
- Larger quantities of water are used for agriculture, industry, and energy production compared to drinking and cooking.
- Humans only need around 1-2 liters of pure water for drinking and cooking daily.
Historical Water Supply
- Wells have been the most common water supply throughout history and often served as a social hub for townspeople.
Water Supply and Hygiene in the 20th Century
- Due to infrequent water supply for cleaning, people commonly took a bath on Saturday nights in the 20th century.
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