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Water.
No. It may change its weight if weighed at varying depths.
You can change the mass of water in two ways: increase or decrease the amount of water or change the isotopic composition of the molecules of water. The first will have no effect on the mass of 1 cc of water. The second will. If you replace the hydrogen atoms in the "normal" water molecules with deuterium atoms you will increase the density (mass/cc) of the water.
No
4.3psi assuming fresh water
It doesn't because it's water and water does not change the color of anything.
No, they will not change color.
Since blood is already liquid the particles would just mix together. Technically that would be dissolving.
The color is not changed.
Gold will not change the color of water.
Lake water could potentially change hair color if it contains oxidizers like iron. Chlorine in any type of water can also change hair color.
if you just change the seeds color it will on grow that color ou need to water it with water of that color. fot example if you wanted a flower with blue you would add blue food coloring to the water when you water it. and the intire plant will not be that color for the most part only the veins will change color.
Air, water, and impurities can change the color of a mineral.
no, a physical change
Air, water, and impurities can change the color of a mineral.
YesAns2:I have bled many times under water. Never has the blood been green. At depths greater than 30 feet, most of the light is filtered out and all that is left is blue. The blood may appear green if you have an active imagination. Most would describe the color as black.
by painting it. Some change color in certain temperatures of water.