Test variable (independent variable): the test/independent variable is the earth’s crust The outcome variable (dependent variable): the outcome/dependent variable is?

Apossible explanation for a set of facts that can be tested by further investigation is called

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat