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The total volume of water on Earth is estimated at 1.386 billion km 3 (333 million cubic miles), with 97.5% being salt water and 2.5% being freshwater. Of the freshwater, only 0.3% is in liquid form on the surface. [ 2][ 3][ 4] Because the oceans that cover roughly 70.8% of the area of Earth reflect blue light, Earth appears blue from space ...
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Hebo, god of the Yellow River. Longmu, goddess of the Xijiang River in the Lingnan area. Mazu, goddess of the sea and protector of seafarers. Shuimu, goddess of the water. Shui Wei Niang, goddess of the water. Shuidexianjun (水德星君) Tam Kung, sea deity worshiped in Hong Kong and Macau with the ability to forecast weather.
Underwater diving. Underwater diving, as a human activity, is the practice of descending below the water's surface to interact with the environment. It is also often referred to as diving, an ambiguous term with several possible meanings, depending on context. Immersion in water and exposure to high ambient pressure have physiological effects ...
1. Secure furniture to the wall. Cats love to climb on top of things, so make sure that any wobbly furniture is secured to the wall. 2. Hide your cables. Cats also love to play with long, dangly ...
The refractive index of water at 20 °C for visible light is 1.33. [ 1] The refractive index of normal ice is 1.31 (from List of refractive indices ). In general, an index of refraction is a complex number with real and imaginary parts, where the latter indicates the strength of absorption loss at a particular wavelength.
The swim bladder, gas bladder, fish maw, or air bladder is an internal gas-filled organ that contributes to the ability of many bony fish (but not cartilaginous fish [ 1]) to control their buoyancy, and thus to stay at their current water depth without having to expend energy in swimming. [ 2] Also, the dorsal position of the swim bladder means ...