Properties of a substance which can be measured or observed without alerting that i didn’t see of the substance being measured our

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

i think is conclusions.i think so

hypostyle hall;