Here is a table that relates depth and pressure: Depth (feet)
d30 60 90
Pressure (atmospheres) 1 2 34
How many feet can the submarine dive?
what the answer?

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

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