Podcast
Questions and Answers
What percentage of water makes up the human brain?
What percentage of water makes up the human brain?
- 60%
- 22%
- 76%
- 85% (correct)
How much water should people in hot desert climates drink per day?
How much water should people in hot desert climates drink per day?
- Up to 10 quarts (correct)
- 2 quarts
- 5 quarts
- 15 quarts
What distinguishes Earth from other bodies in the solar system?
What distinguishes Earth from other bodies in the solar system?
- High levels of carbon dioxide in the atmosphere
- Presence of large landmasses
- Abundance of oxygen in the atmosphere
- Abundance of liquid water on the surface (correct)
How much of Earth's surface is covered by oceans?
How much of Earth's surface is covered by oceans?
What volume of water is there on the planet Earth?
What volume of water is there on the planet Earth?
What percentage of water makes up human babies?
What percentage of water makes up human babies?
How much water should people in hot desert climates drink per day?
How much water should people in hot desert climates drink per day?
What percentage of water makes up the human brain?
What percentage of water makes up the human brain?
How long can humans live without water?
How long can humans live without water?
What distinguishes Earth from other bodies in the solar system?
What distinguishes Earth from other bodies in the solar system?
Study Notes
Water Composition
- The human brain is composed of approximately 75-80% water.
- Human babies are made up of around 90% water.
Daily Water Intake
- People in hot desert climates should drink at least 2-3 liters (67.6-101.4 oz) of water per day.
Earth's Characteristics
- Earth is unique among other bodies in the solar system because it has a significant amount of liquid water on its surface.
Water Coverage on Earth
- Oceans cover approximately 71% of the Earth's surface.
Global Water Volume
- The total volume of water on Earth is around 1.386 billion cubic kilometers (km³).
Human Survival
- Humans can survive without water for around 3-5 days, depending on the environment and individual factors.
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Description
Test your knowledge of the water cycle and fresh water supply in environmental biology with this quiz. Explore key concepts such as precipitation, evaporation, and water conservation while assessing your understanding of essential natural resources.
