Por que no es todo adecuado al termino presocraticos

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?

Which of these is the best way to manage a natural resource