The deepest point in the ocean is in the mariana trench, about 11 km deep, in the pacific. the pressure at this depth is huge, about 1.13 3 108 n/m2. (a) calculate the change in volume of 1.00 m3 of seawater carried from the surface to this deepest point. (b) the density of seawater at the surface is 1.03 3 103 kg/m3. find its density at the bottom. (c) explain whether or when it is a good approximation to think of water as incompressible.

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Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.

What happens to an isotope during radioactive decay?