What Is a Dam and How Does It Function?
Dam is a barrier built across a river or sea which is high enough to stop the water flowing over it. In a river dam, the water which is held back forms a reservoir....
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How Many Bones Do Sharks Have?
The answer is zero. Did you know they have a skeleton made entirely of cartilage rather than bone as in other fishes. A shark’s skeleton is made of cartilage and...
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What Is Ultrasonic and Its Application?
The ultrasonic is defined as sound waves with a frequency exceeding the human audible hearing limit. Ultrasonic sounds are too high for people to hear. Some animals can...
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What Does Quantum Means?
Quantum means a definite amount. Light, heat and X-rays are forms of energy. All energy may be thought of as small amounts or packets of energy called quanta (the...
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When Does Peat Form?
Peat bogs are formed in mild and humid climates when the land drainage is so bad that pools of water submerge masses of partially decomposed vegetable matter and...
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