Frequently Asked Questions (FAQ's)
Question:
What is noise?
Answer: Noise is a sound, that is not desired to be heard.
- 3340
Question:
What is water?
Answer: Water is a clear liquid composed of hydrogen and oxygen = H2O.
- 62
Question:
How much water is on the surface of the Earth?
Answer: 71 Percent of the Earth's surface is covered with water.
- 89