Fossil bones containing 1/32 of original amount of carbon-14 are found how many half lives have passed ?how old are the bones?

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.

b) nuclear ive learned that in a pedtrodic table

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.