Hi there,
Speed of sound in water is approximately 1500 meters per second (the exact speed depends on the depth of water and its density) and the speed of sound in air is approximately 340 meters per second. So sound is almost 4.4 times faster in water than in air. I hope this helped :)
Blood clots will do this. Cutting off blood flow while also increasing blood pressure. Also, if the viscosity (thickness of the blood) is thick which will slow down the flow and cause the body to use more effort to pump blood.
Man Ray Created this piece using the Rayograph. It was considered as abstract art. This type of photography was Surrealism. Meaning it didnt really exist in the world. This picture was created by placing objects on light sensitive film and exposing it with an enlarger. He had exposed his face on one side, then the other.
Viruses are not considered alive, because they lack certain aspects that would be considered a living organism.
