The pressure in a water pipe in the ground floor of a building is 4 x 10^5 Pa and three floors up is 2 x 10^5 Pa. What is the difference in height between
the ground floor and the third floor? Density of water = 1x 10 kgm^-3 ?.​

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

are there options? cause you ain’t. real specific

a electromagnetic waves

measure their densities same density, same sub