Explique como el alcohol y otras drogas pueden aumentar el riesgo de lesiones​

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

Patricia is trying to compare the average rainfall of new york to that of arizona. a comparison between these two states for the months of july through september would best be measured in