What percentage of the Earth's surface is covered by water?
Q: What percentage of the Earth's surface is covered by water?
A: Water covers 70-75% of the Earth's surface.
Q: In what states can water be found on Earth?
A: Water can be found in its liquid and solid (ice) states, as well as in the atmosphere as a vapor.
Q: What is the most abundant molecule on Earth's surface?
A: Water is the most abundant molecule on Earth's surface.
Q: What are some properties of water when it is at room temperature?
A: At room temperature, water is a nearly colorless, flavorless, and odorless liquid.
Q: Why is water commonly seen as the universal solvent?
A: Many substances dissolve in water, which is why it is commonly seen as the universal solvent.
Q: Is water always clean in nature and in use?
A: Water in nature and in use is rarely clean, and may have some properties different than those in the laboratory.
Q: What other substances can be found naturally in all three states of matter?
A: Water is the only common, pure substance found naturally in all three states of matter.
